diff --git a/gatewayservice/monitoring/prometheus/prometheus.yml b/gatewayservice/monitoring/prometheus/prometheus.yml
index 3093655..e20232c 100644
--- a/gatewayservice/monitoring/prometheus/prometheus.yml
+++ b/gatewayservice/monitoring/prometheus/prometheus.yml
@@ -3,4 +3,4 @@ global:
 scrape_configs:
   - job_name: "example-nodejs-app"
     static_configs:
-      - targets: ["gatewayservice:8000"]
\ No newline at end of file
+      - targets: ["gatewayservice-wiq5a:8000","userservice-wiq5a:8001","authservice-wiq5a:8002","questionservice-wiq5a:8003"]
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 7d87180..4c45f83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,9 @@
         "": {
             "dependencies": {
                 "docker": "^1.0.0",
+                "express-prom-bundle": "^7.0.0",
                 "path-browserify": "^1.0.1",
+                "prom-client": "^15.1.2",
                 "start-server-and-test": "^2.0.3"
             },
             "devDependencies": {
@@ -1357,6 +1359,14 @@
                 "@jridgewell/sourcemap-codec": "^1.4.14"
             }
         },
+        "node_modules/@opentelemetry/api": {
+            "version": "1.8.0",
+            "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.8.0.tgz",
+            "integrity": "sha512-I/s6F7yKUDdtMsoBWXJe8Qz40Tui5vsuKCWJEWVL+5q9sSWRzzx6v2KeNsOBEwd94j0eWkpWCH4yB6rZg9Mf0w==",
+            "engines": {
+                "node": ">=8.0.0"
+            }
+        },
         "node_modules/@sideway/address": {
             "version": "4.1.5",
             "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.5.tgz",
@@ -1440,6 +1450,45 @@
                 "@babel/types": "^7.20.7"
             }
         },
+        "node_modules/@types/body-parser": {
+            "version": "1.19.5",
+            "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.5.tgz",
+            "integrity": "sha512-fB3Zu92ucau0iQ0JMCFQE7b/dv8Ot07NI3KaZIkIUNXq82k4eBAqUaneXfleGY9JWskeS9y+u0nXMyspcuQrCg==",
+            "dependencies": {
+                "@types/connect": "*",
+                "@types/node": "*"
+            }
+        },
+        "node_modules/@types/connect": {
+            "version": "3.4.38",
+            "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
+            "integrity": "sha512-K6uROf1LD88uDQqJCktA4yzL1YYAK6NgfsI0v/mTgyPKWsX1CnJ0XPSDhViejru1GcRkLWb8RlzFYJRqGUbaug==",
+            "dependencies": {
+                "@types/node": "*"
+            }
+        },
+        "node_modules/@types/express": {
+            "version": "4.17.21",
+            "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.21.tgz",
+            "integrity": "sha512-ejlPM315qwLpaQlQDTjPdsUFSc6ZsP4AN6AlWnogPjQ7CVi7PYF3YVz+CY3jE2pwYf7E/7HlDAN0rV2GxTG0HQ==",
+            "dependencies": {
+                "@types/body-parser": "*",
+                "@types/express-serve-static-core": "^4.17.33",
+                "@types/qs": "*",
+                "@types/serve-static": "*"
+            }
+        },
+        "node_modules/@types/express-serve-static-core": {
+            "version": "4.19.0",
+            "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.19.0.tgz",
+            "integrity": "sha512-bGyep3JqPCRry1wq+O5n7oiBgGWmeIJXPjXXCo8EK0u8duZGSYar7cGqd3ML2JUsLGeB7fmc06KYo9fLGWqPvQ==",
+            "dependencies": {
+                "@types/node": "*",
+                "@types/qs": "*",
+                "@types/range-parser": "*",
+                "@types/send": "*"
+            }
+        },
         "node_modules/@types/graceful-fs": {
             "version": "4.1.9",
             "resolved": "https://registry.npmjs.org/@types/graceful-fs/-/graceful-fs-4.1.9.tgz",
@@ -1449,6 +1498,11 @@
                 "@types/node": "*"
             }
         },
+        "node_modules/@types/http-errors": {
+            "version": "2.0.4",
+            "resolved": "https://registry.npmjs.org/@types/http-errors/-/http-errors-2.0.4.tgz",
+            "integrity": "sha512-D0CFMMtydbJAegzOyHjtiKPLlvnm3iTZyZRSZoLq2mRhDdmLfIWOCYPfQJ4cu2erKghU++QvjcUjp/5h7hESpA=="
+        },
         "node_modules/@types/istanbul-lib-coverage": {
             "version": "2.0.6",
             "resolved": "https://registry.npmjs.org/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.6.tgz",
@@ -1473,15 +1527,48 @@
                 "@types/istanbul-lib-report": "*"
             }
         },
+        "node_modules/@types/mime": {
+            "version": "1.3.5",
+            "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.5.tgz",
+            "integrity": "sha512-/pyBZWSLD2n0dcHE3hq8s8ZvcETHtEuF+3E7XVt0Ig2nvsVQXdghHVcEkIWjy9A0wKfTn97a/PSDYohKIlnP/w=="
+        },
         "node_modules/@types/node": {
             "version": "20.12.5",
             "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.5.tgz",
             "integrity": "sha512-BD+BjQ9LS/D8ST9p5uqBxghlN+S42iuNxjsUGjeZobe/ciXzk2qb1B6IXc6AnRLS+yFJRpN2IPEHMzwspfDJNw==",
-            "dev": true,
             "dependencies": {
                 "undici-types": "~5.26.4"
             }
         },
+        "node_modules/@types/qs": {
+            "version": "6.9.15",
+            "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.15.tgz",
+            "integrity": "sha512-uXHQKES6DQKKCLh441Xv/dwxOq1TVS3JPUMlEqoEglvlhR6Mxnlew/Xq/LRVHpLyk7iK3zODe1qYHIMltO7XGg=="
+        },
+        "node_modules/@types/range-parser": {
+            "version": "1.2.7",
+            "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.7.tgz",
+            "integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ=="
+        },
+        "node_modules/@types/send": {
+            "version": "0.17.4",
+            "resolved": "https://registry.npmjs.org/@types/send/-/send-0.17.4.tgz",
+            "integrity": "sha512-x2EM6TJOybec7c52BX0ZspPodMsQUd5L6PRwOunVyVUhXiBSKf3AezDL8Dgvgt5o0UfKNfuA0eMLr2wLT4AiBA==",
+            "dependencies": {
+                "@types/mime": "^1",
+                "@types/node": "*"
+            }
+        },
+        "node_modules/@types/serve-static": {
+            "version": "1.15.7",
+            "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.15.7.tgz",
+            "integrity": "sha512-W8Ym+h8nhuRwaKPaDw34QUkwsGi6Rc4yYqvKFo5rm2FUEhCFbzVWrxXUxuKK8TASjWsysJY0nsmNCGhCOIsrOw==",
+            "dependencies": {
+                "@types/http-errors": "*",
+                "@types/node": "*",
+                "@types/send": "*"
+            }
+        },
         "node_modules/@types/stack-utils": {
             "version": "2.0.3",
             "resolved": "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-2.0.3.tgz",
@@ -1503,6 +1590,18 @@
             "integrity": "sha512-I4q9QU9MQv4oEOz4tAHJtNz1cwuLxn2F3xcc2iV5WdqLPpUnj30aUuxt1mAxYTG+oe8CZMV/+6rU4S4gRDzqtQ==",
             "dev": true
         },
+        "node_modules/accepts": {
+            "version": "1.3.8",
+            "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+            "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+            "dependencies": {
+                "mime-types": "~2.1.34",
+                "negotiator": "0.6.3"
+            },
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
         "node_modules/ajv": {
             "version": "4.11.8",
             "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
@@ -1593,6 +1692,11 @@
                 "sprintf-js": "~1.0.2"
             }
         },
+        "node_modules/array-flatten": {
+            "version": "1.1.1",
+            "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+            "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
+        },
         "node_modules/asap": {
             "version": "2.0.6",
             "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
@@ -1885,11 +1989,66 @@
             "integrity": "sha512-FnWonOyaw7Vivg5nIkrUll9HSS5TjFbyuURAiDssuL6VxrBe3ERzudRxOcWRhZYlP89UArMDikz7SapRPQpmZQ==",
             "dev": true
         },
+        "node_modules/bintrees": {
+            "version": "1.0.2",
+            "resolved": "https://registry.npmjs.org/bintrees/-/bintrees-1.0.2.tgz",
+            "integrity": "sha512-VOMgTMwjAaUG580SXn3LacVgjurrbMme7ZZNYGSSV7mmtY6QQRh0Eg3pwIcntQ77DErK1L0NxkbetjcoXzVwKw=="
+        },
         "node_modules/bluebird": {
             "version": "3.7.2",
             "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
             "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
         },
+        "node_modules/body-parser": {
+            "version": "1.20.2",
+            "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.2.tgz",
+            "integrity": "sha512-ml9pReCu3M61kGlqoTm2umSXTlRTuGTx0bfYj+uIUKKYycG5NtSbeetV3faSU6R7ajOPw0g/J1PvK4qNy7s5bA==",
+            "dependencies": {
+                "bytes": "3.1.2",
+                "content-type": "~1.0.5",
+                "debug": "2.6.9",
+                "depd": "2.0.0",
+                "destroy": "1.2.0",
+                "http-errors": "2.0.0",
+                "iconv-lite": "0.4.24",
+                "on-finished": "2.4.1",
+                "qs": "6.11.0",
+                "raw-body": "2.5.2",
+                "type-is": "~1.6.18",
+                "unpipe": "1.0.0"
+            },
+            "engines": {
+                "node": ">= 0.8",
+                "npm": "1.2.8000 || >= 1.4.16"
+            }
+        },
+        "node_modules/body-parser/node_modules/debug": {
+            "version": "2.6.9",
+            "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+            "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+            "dependencies": {
+                "ms": "2.0.0"
+            }
+        },
+        "node_modules/body-parser/node_modules/ms": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+            "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+        },
+        "node_modules/body-parser/node_modules/qs": {
+            "version": "6.11.0",
+            "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
+            "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
+            "dependencies": {
+                "side-channel": "^1.0.4"
+            },
+            "engines": {
+                "node": ">=0.6"
+            },
+            "funding": {
+                "url": "https://github.com/sponsors/ljharb"
+            }
+        },
         "node_modules/boom": {
             "version": "2.10.1",
             "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
@@ -1972,11 +2131,18 @@
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             "dev": true
         },
+        "node_modules/bytes": {
+            "version": "3.1.2",
+            "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+            "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
+            "engines": {
+                "node": ">= 0.8"
+            }
+        },
         "node_modules/call-bind": {
             "version": "1.0.7",
             "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.7.tgz",
             "integrity": "sha512-GHTSNSYICQ7scH7sZ+M2rFopRoLh8t2bLSW6BbgrtLsahOIB5iyAVJf9GjWK3cYTDaMj4XdBpM1cA6pIS0Kv2w==",
-            "optional": true,
             "dependencies": {
                 "es-define-property": "^1.0.0",
                 "es-errors": "^1.3.0",
@@ -2203,12 +2369,44 @@
             "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
             "dev": true
         },
+        "node_modules/content-disposition": {
+            "version": "0.5.4",
+            "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
+            "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
+            "dependencies": {
+                "safe-buffer": "5.2.1"
+            },
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
+        "node_modules/content-type": {
+            "version": "1.0.5",
+            "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz",
+            "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA==",
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
         "node_modules/convert-source-map": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
             "integrity": "sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==",
             "dev": true
         },
+        "node_modules/cookie": {
+            "version": "0.6.0",
+            "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.6.0.tgz",
+            "integrity": "sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==",
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
+        "node_modules/cookie-signature": {
+            "version": "1.0.6",
+            "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+            "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
+        },
         "node_modules/core-js-pure": {
             "version": "3.36.1",
             "resolved": "https://registry.npmjs.org/core-js-pure/-/core-js-pure-3.36.1.tgz",
@@ -2507,7 +2705,6 @@
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             "resolved": "https://registry.npmjs.org/define-data-property/-/define-data-property-1.1.4.tgz",
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-            "optional": true,
             "dependencies": {
                 "es-define-property": "^1.0.0",
                 "es-errors": "^1.3.0",
@@ -2528,6 +2725,23 @@
                 "node": ">=0.4.0"
             }
         },
+        "node_modules/depd": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
+            "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==",
+            "engines": {
+                "node": ">= 0.8"
+            }
+        },
+        "node_modules/destroy": {
+            "version": "1.2.0",
+            "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz",
+            "integrity": "sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg==",
+            "engines": {
+                "node": ">= 0.8",
+                "npm": "1.2.8000 || >= 1.4.16"
+            }
+        },
         "node_modules/detect-newline": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/detect-newline/-/detect-newline-3.1.0.tgz",
@@ -2667,6 +2881,11 @@
                 "url": "https://bevry.me/fund"
             }
         },
+        "node_modules/ee-first": {
+            "version": "1.1.1",
+            "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
+            "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="
+        },
         "node_modules/ejs": {
             "version": "2.7.4",
             "resolved": "https://registry.npmjs.org/ejs/-/ejs-2.7.4.tgz",
@@ -2700,6 +2919,14 @@
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             "dev": true
         },
+        "node_modules/encodeurl": {
+            "version": "1.0.2",
+            "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+            "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w==",
+            "engines": {
+                "node": ">= 0.8"
+            }
+        },
         "node_modules/entities": {
             "version": "1.1.2",
             "resolved": "https://registry.npmjs.org/entities/-/entities-1.1.2.tgz",
@@ -2750,7 +2977,6 @@
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             "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.0.tgz",
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-            "optional": true,
             "dependencies": {
                 "get-intrinsic": "^1.2.4"
             },
@@ -2762,7 +2988,6 @@
             "version": "1.3.0",
             "resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
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-            "optional": true,
             "engines": {
                 "node": ">= 0.4"
             }
@@ -2816,6 +3041,11 @@
                 "node": ">=6"
             }
         },
+        "node_modules/escape-html": {
+            "version": "1.0.3",
+            "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
+            "integrity": "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow=="
+        },
         "node_modules/escape-string-regexp": {
             "version": "1.0.5",
             "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -2853,6 +3083,14 @@
                 "node": ">=4"
             }
         },
+        "node_modules/etag": {
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         },
+        "tdigest": {
+            "version": "0.1.2",
+            "resolved": "https://registry.npmjs.org/tdigest/-/tdigest-0.1.2.tgz",
+            "integrity": "sha512-+G0LLgjjo9BZX2MfdvPfH+MKLCrxlXSYec5DaPYP1fe6Iyhf0/fSmJ0bFiZ1F8BT6cGXl2LpltQptzjXKWEkKA==",
+            "requires": {
+                "bintrees": "1.0.2"
+            }
+        },
         "test-exclude": {
             "version": "6.0.0",
             "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
@@ -12607,6 +13731,11 @@
                 }
             }
         },
+        "toidentifier": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+            "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
+        },
         "tough-cookie": {
             "version": "2.3.4",
             "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
@@ -12654,6 +13783,15 @@
             "integrity": "sha512-t0rzBq87m3fVcduHDUFhKmyyX+9eo6WQjZvf51Ea/M0Q7+T374Jp1aUiyUl0GKxp8M/OETVHSDvmkyPgvX+X2w==",
             "dev": true
         },
+        "type-is": {
+            "version": "1.6.18",
+            "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+            "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+            "requires": {
+                "media-typer": "0.3.0",
+                "mime-types": "~2.1.24"
+            }
+        },
         "typechecker": {
             "version": "4.11.0",
             "resolved": "https://registry.npmjs.org/typechecker/-/typechecker-4.11.0.tgz",
@@ -12678,14 +13816,18 @@
         "undici-types": {
             "version": "5.26.5",
             "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-            "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
-            "dev": true
+            "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
         },
         "unicode": {
             "version": "14.0.0",
             "resolved": "https://registry.npmjs.org/unicode/-/unicode-14.0.0.tgz",
             "integrity": "sha512-BjinxTXkbm9Jomp/YBTMGusr4fxIG67fNGShHIRAL16Ur2GJTq2xvLi+sxuiJmInCmwqqev2BCFKyvbfp/yAkg=="
         },
+        "unpipe": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+            "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="
+        },
         "update-browserslist-db": {
             "version": "1.0.13",
             "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.13.tgz",
@@ -12707,12 +13849,22 @@
             "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
             "integrity": "sha512-Am1ousAhSLBeB9cG/7k7r2R0zj50uDRlZHPGbazid5s9rlF1F/QKYObEKSIunSjIOkJZqwRRLpvewjEkM7pSqg=="
         },
+        "url-value-parser": {
+            "version": "2.2.0",
+            "resolved": "https://registry.npmjs.org/url-value-parser/-/url-value-parser-2.2.0.tgz",
+            "integrity": "sha512-yIQdxJpgkPamPPAPuGdS7Q548rLhny42tg8d4vyTNzFqvOnwqrgHXvgehT09U7fwrzxi3RxCiXjoNUNnNOlQ8A=="
+        },
         "util-arity": {
             "version": "1.1.0",
             "resolved": "https://registry.npmjs.org/util-arity/-/util-arity-1.1.0.tgz",
             "integrity": "sha512-kkyIsXKwemfSy8ZEoaIz06ApApnWsk5hQO0vLjZS6UkBiGiW++Jsyb8vSBoc0WKlffGoGs5yYy/j5pp8zckrFA==",
             "dev": true
         },
+        "utils-merge": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+            "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
+        },
         "uuid": {
             "version": "3.4.0",
             "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
@@ -12730,6 +13882,11 @@
                 "convert-source-map": "^2.0.0"
             }
         },
+        "vary": {
+            "version": "1.1.2",
+            "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+            "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
+        },
         "verror": {
             "version": "1.10.1",
             "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.1.tgz",
diff --git a/package.json b/package.json
index bce84a9..73b021d 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,9 @@
     },
     "dependencies": {
         "docker": "^1.0.0",
+        "express-prom-bundle": "^7.0.0",
         "path-browserify": "^1.0.1",
+        "prom-client": "^15.1.2",
         "start-server-and-test": "^2.0.3"
     }
 }
diff --git a/questionservice/package.json b/questionservice/package.json
index 739eee5..4941873 100644
--- a/questionservice/package.json
+++ b/questionservice/package.json
@@ -26,6 +26,7 @@
     "ee-first": "^1.1.1",
     "encodeurl": "^1.0.2",
     "es-define-property": "^1.0.0",
+    "express-prom-bundle": "^7.0.0",
     "es-errors": "^1.3.0",
     "escape-html": "^1.0.3",
     "etag": "^1.8.1",
diff --git a/questionservice/server.js b/questionservice/server.js
index 229d570..ac6433b 100644
--- a/questionservice/server.js
+++ b/questionservice/server.js
@@ -4,6 +4,7 @@ let express = require('express');
 const axios = require('axios');
 const cors = require('cors');
 const fs = require('fs');
+const promBundle = require('express-prom-bundle');
 
 const crypto = require('crypto');
 
@@ -16,6 +17,10 @@ let app = express();
 app.disable("x-powered-by") //disable default information of express
 app.use(cors(corsOptions));
 
+//Prometheus configuration
+const metricsMiddleware = promBundle({includeMethod: true});
+app.use(metricsMiddleware);
+
 // Cargamos las consultas SPARQL desde el fichero de configuración
 const questions = JSON.parse(fs.readFileSync('questions.json', 'utf8'));
 
diff --git a/userservice/authservice/auth-service.js b/userservice/authservice/auth-service.js
index 2904720..88e102e 100644
--- a/userservice/authservice/auth-service.js
+++ b/userservice/authservice/auth-service.js
@@ -4,6 +4,8 @@ const mongoose = require('mongoose');
 const bcrypt = require('bcrypt');
 const jwt = require('jsonwebtoken');
 const User = require('./auth-model')
+const promBundle = require('express-prom-bundle');
+
 
 const app = express();
 const port = 8002; 
@@ -15,6 +17,10 @@ app.use(express.json());
 const mongoUri = process.env.MONGODB_URI;
 mongoose.connect(mongoUri);
 
+//Prometheus configuration
+const metricsMiddleware = promBundle({includeMethod: true});
+app.use(metricsMiddleware);
+
 // Function to validate required fields in the request body
 function validateRequiredFields(req, requiredFields) {
     for (const field of requiredFields) {
diff --git a/userservice/authservice/package.json b/userservice/authservice/package.json
index 3bdea0d..94fee32 100644
--- a/userservice/authservice/package.json
+++ b/userservice/authservice/package.json
@@ -22,6 +22,7 @@
         "body-parser": "^1.20.2",
         "dotenv": "^16.4.5",
         "express": "^4.18.2",
+        "express-prom-bundle": "^7.0.0",
         "jsonwebtoken": "^9.0.2",
         "mongodb": "^6.5.0",
         "mongoose": "^8.0.4"
diff --git a/userservice/userservice/package.json b/userservice/userservice/package.json
index 687b9a1..49d47da 100644
--- a/userservice/userservice/package.json
+++ b/userservice/userservice/package.json
@@ -22,6 +22,7 @@
     "body-parser": "^1.20.2",
     "dotenv": "^16.4.5",
     "express": "^4.18.2",
+    "express-prom-bundle": "^7.0.0",
     "mongodb": "^6.5.0",
     "mongoose": "^8.0.4"
   },
diff --git a/userservice/userservice/user-service.js b/userservice/userservice/user-service.js
index a991412..5fe4f2e 100644
--- a/userservice/userservice/user-service.js
+++ b/userservice/userservice/user-service.js
@@ -5,6 +5,7 @@ const mongoose = require('mongoose');
 const bcrypt = require('bcrypt');
 const bodyParser = require('body-parser');
 const User = require('./user-model');
+const promBundle = require('express-prom-bundle');
 
 const app = express();
 const port = 8001;
@@ -12,6 +13,10 @@ const port = 8001;
 // Middleware to parse JSON in request body
 app.use(bodyParser.json());
 
+//Prometheus configuration
+const metricsMiddleware = promBundle({includeMethod: true});
+app.use(metricsMiddleware);
+
 // Connect to MongoDB
 //const mongoUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/userdb';
 const mongoUri = process.env.MONGODB_URI;
diff --git a/webapp/e2e/steps/01-register-form.steps.js b/webapp/e2e/steps/01-register-form.steps.js
index ee540bc..e54df87 100644
--- a/webapp/e2e/steps/01-register-form.steps.js
+++ b/webapp/e2e/steps/01-register-form.steps.js
@@ -37,11 +37,11 @@ defineFeature(feature, test => {
     when('I fill the data in the form and press submit', async () => {
       await expect(page).toFill('input[name="username"]', username);
       await expect(page).toFill('input[name="password"]', password);
-      await expect(page).toClick('button', { text: 'Add User' })
+      await expect(page).toClick('button', { text: 'Crear' })
     });
 
     then('A confirmation message should be shown in the screen', async () => {
-        await expect(page).toMatchElement("div", { text: "User added successfully" });
+        await expect(page).toMatchElement("div", { text: "Usuario creado correctamente" });
     });
   })
 
diff --git a/webapp/e2e/steps/02-login.steps.js b/webapp/e2e/steps/02-login.steps.js
index 6d4cdb3..258aa60 100644
--- a/webapp/e2e/steps/02-login.steps.js
+++ b/webapp/e2e/steps/02-login.steps.js
@@ -37,11 +37,11 @@ defineFeature(feature, test => {
     when('I enter valid username and password', async () => {
       await expect(page).toFill('input[name="username"]', username);
       await expect(page).toFill('input[name="password"]', password);
-      await expect(page).toClick('button', { text: 'Login' })
+      await expect(page).toClick('button', { text: 'Iniciar Sesión' })
     });
 
     then('A confirmation message should be shown in the screen', async () => {
-        await expect(page).toMatchElement("div", { text: "Hello "+username+"!" });
+        await expect(page).toMatchElement("div", { text: "¡Buenas, "+username+"!" });
     });
   })
 
diff --git a/webapp/e2e/steps/03-home.steps.js b/webapp/e2e/steps/03-home.steps.js
index 0e001d0..35cd730 100644
--- a/webapp/e2e/steps/03-home.steps.js
+++ b/webapp/e2e/steps/03-home.steps.js
@@ -37,7 +37,7 @@ defineFeature(feature, test => {
     when('I navigate to the Home page', async () => {
       await expect(page).toFill('input[name="username"]', username);
       await expect(page).toFill('input[name="password"]', password);
-      await expect(page).toClick('button', { text: 'Login' })
+      await expect(page).toClick('button', { text: 'Iniciar Sesión' })
 
       await expect(page).toClick('a[href="/"]', { text: 'WIQ 5A' });
       await page.waitForNavigation();
diff --git a/webapp/src/components/AddUser.js b/webapp/src/components/AddUser.js
index 1fc54bd..0eadcac 100644
--- a/webapp/src/components/AddUser.js
+++ b/webapp/src/components/AddUser.js
@@ -27,13 +27,13 @@ const AddUser = () => {
   return (
     <Container component="main" maxWidth="xs" sx={{ marginTop: 4 }}>
       <Typography component="h1" variant="h5">
-        Add User
+        Registrar Usuario
       </Typography>
       <TextField
         name="username"
         margin="normal"
         fullWidth
-        label="Username"
+        label="Usuario"
         value={username}
         onChange={(e) => setUsername(e.target.value)}
       />
@@ -41,15 +41,15 @@ const AddUser = () => {
         name="password"
         margin="normal"
         fullWidth
-        label="Password"
+        label="Contraseña"
         type="password"
         value={password}
         onChange={(e) => setPassword(e.target.value)}
       />
       <Button variant="contained" color="primary" onClick={addUser}>
-        Add User
+        Crear
       </Button>
-      <Snackbar open={openSnackbar} autoHideDuration={6000} onClose={handleCloseSnackbar} message="User added successfully" />
+      <Snackbar open={openSnackbar} autoHideDuration={6000} onClose={handleCloseSnackbar} message="Usuario creado correctamente" />
       {error && (
         <Snackbar open={!!error} autoHideDuration={6000} onClose={() => setError('')} message={`Error: ${error}`} />
       )}
diff --git a/webapp/src/components/Login.js b/webapp/src/components/Login.js
index 77ed973..8fae69a 100644
--- a/webapp/src/components/Login.js
+++ b/webapp/src/components/Login.js
@@ -47,13 +47,13 @@ const Login = ({isLogged, setIsLogged, username, setUsername}) => {
       ) : (
         <div>
           <Typography component="h1" variant="h5">
-            Login
+            Iniciar Sesión
           </Typography>
           <TextField
             name="username"
             margin="normal"
             fullWidth
-            label="Username"
+            label="Usuario"
             value={username}
       
             onChange={(e) => setUsername(e.target.value)}
@@ -62,15 +62,15 @@ const Login = ({isLogged, setIsLogged, username, setUsername}) => {
             name="password"
             margin="normal"
             fullWidth
-            label="Password"
+            label="Contraseña"
             type="password"
             value={password}
             onChange={(e) => setPassword(e.target.value)}
           />
           <Button variant="contained" color="primary" onClick={loginUser}>
-            Login
+            Iniciar Sesión
           </Button>
-          <Snackbar open={openSnackbar} autoHideDuration={6000} onClose={handleCloseSnackbar} message="Login successful" />
+          <Snackbar open={openSnackbar} autoHideDuration={6000} onClose={handleCloseSnackbar} message="Iniciada sesión exitosamente" />
           {error && (
             <Snackbar open={!!error} autoHideDuration={6000} onClose={() => setError('')} message={`Error: ${error}`} />
           )}
diff --git a/webapp/src/components/tests/AddUser.test.js b/webapp/src/components/tests/AddUser.test.js
index cbd13e9..8af0338 100644
--- a/webapp/src/components/tests/AddUser.test.js
+++ b/webapp/src/components/tests/AddUser.test.js
@@ -14,9 +14,9 @@ describe('AddUser component', () => {
   it('should add user successfully', async () => {
     render(<AddUser />);
 
-    const usernameInput = screen.getByLabelText(/Username/i);
-    const passwordInput = screen.getByLabelText(/Password/i);
-    const addUserButton = screen.getByRole('button', { name: /Add User/i });
+    const usernameInput = screen.getByLabelText(/Usuario/i);
+    const passwordInput = screen.getByLabelText(/Contraseña/i);
+    const addUserButton = screen.getByRole('button', { name: /Crear/i });
 
     // Mock the axios.post request to simulate a successful response
     mockAxios.onPost('http://localhost:8000/adduser').reply(200);
@@ -30,16 +30,16 @@ describe('AddUser component', () => {
 
     // Wait for the Snackbar to be open
     await waitFor(() => {
-      expect(screen.getByText(/User added successfully/i)).toBeInTheDocument();
+      expect(screen.getByText(/Usuario creado correctamente/i)).toBeInTheDocument();
     });
   });
 
   it('should handle error when adding user', async () => {
     render(<AddUser />);
 
-    const usernameInput = screen.getByLabelText(/Username/i);
-    const passwordInput = screen.getByLabelText(/Password/i);
-    const addUserButton = screen.getByRole('button', { name: /Add User/i });
+    const usernameInput = screen.getByLabelText(/Usuario/i);
+    const passwordInput = screen.getByLabelText(/Contraseña/i);
+    const addUserButton = screen.getByRole('button', { name: /Crear/i });
 
     // Mock the axios.post request to simulate an error response
     mockAxios.onPost('http://localhost:8000/adduser').reply(500, { error: 'Internal Server Error' });
diff --git a/webapp/src/components/tests/Login.test.js b/webapp/src/components/tests/Login.test.js
index 89c39cf..bfc02e9 100644
--- a/webapp/src/components/tests/Login.test.js
+++ b/webapp/src/components/tests/Login.test.js
@@ -15,17 +15,17 @@ describe('Login component', () => {
   it('should render correctly', async () => {
     render(<Login isLogged={false} setIsLogged={jest.fn()} username={''} setUsername={jest.fn()}/>);
 
-    expect(screen.getByLabelText(/Username/i)).toBeInTheDocument();
-    expect(screen.getByLabelText(/Password/i)).toBeInTheDocument();
-    expect(screen.getByRole('button', { name: /Login/i })).toBeInTheDocument();
+    expect(screen.getByLabelText(/Usuario/i)).toBeInTheDocument();
+    expect(screen.getByLabelText(/Contraseña/i)).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: /Iniciar Sesión/i })).toBeInTheDocument();
   })
 
   it('should log in successfully', async () => {
     render(<Login isLogged={false} setIsLogged={jest.fn()} username={'testUser'} setUsername={jest.fn()}/>);
 
-    const usernameInput = screen.getByLabelText(/Username/i);
-    const passwordInput = screen.getByLabelText(/Password/i);
-    const loginButton = screen.getByRole('button', { name: /Login/i });
+    const usernameInput = screen.getByLabelText(/Usuario/i);
+    const passwordInput = screen.getByLabelText(/Contraseña/i);
+    const loginButton = screen.getByRole('button', { name: /Iniciar Sesión/i });
 
     // Mock the axios.post request to simulate a successful response
     mockAxios.onPost('http://localhost:8000/login').reply(200, { createdAt: '2024-01-01T12:34:56Z' });
@@ -38,7 +38,7 @@ describe('Login component', () => {
       });
     
     // Verify that the user information is displayed
-    expect(screen.getByText(/Login successful/i)).toBeInTheDocument(); 
+    expect(screen.getByText(/Iniciada sesión exitosamente/i)).toBeInTheDocument(); 
     //expect(screen.getByText(/Your account was created on 1\/1\/2024/i)).toBeInTheDocument();
   });
 
@@ -53,9 +53,9 @@ describe('Login component', () => {
   it('should handle error when logging in', async () => {
     render(<Login isLogged={false} setIsLogged={jest.fn()} username={'testUer'} setUsername={jest.fn()}/>);
 
-    const usernameInput = screen.getByLabelText(/Username/i);
-    const passwordInput = screen.getByLabelText(/Password/i);
-    const loginButton = screen.getByRole('button', { name: /Login/i });
+    const usernameInput = screen.getByLabelText(/Usuario/i);
+    const passwordInput = screen.getByLabelText(/Contraseña/i);
+    const loginButton = screen.getByRole('button', { name: /Iniciar Sesión/i });
 
 
     mockAxios.onPost('http://localhost:8000/login').reply(401, { error: 'Unauthorized' });