refactor(server): use convict to create configuration

Configuration defined by schema and passed as an object

fixes #897

package.json

@@ -49,5 +49,8 @@
     "commitizen": {
       "path": "cz-conventional-changelog"
     }
+  },
+  "dependencies": {
+    "convict": "^6.2.3"
   }
 }

packages/server/bootstrap.js

@@ -24,10 +24,7 @@ const {
   getApolloServerVersion,
   getServerVersion
 } = require('./modules/shared/helpers/envHelper')
-
-if (isApolloMonitoringEnabled() && !getApolloServerVersion()) {
-  process.env.APOLLO_SERVER_USER_VERSION = getServerVersion()
-}
+const convict = require('convict')
 
 // If running in test env, load .env.test first
 // (appRoot necessary, cause env files aren't loaded through require() calls)
@@ -44,7 +41,14 @@ if (isTestEnv()) {
 
 dotenv.config({ path: `${packageRoot}/.env` })
 
+const config = convict('./config.schema.json')
+
+if (isApolloMonitoringEnabled() && !getApolloServerVersion()) {
+  process.env.APOLLO_SERVER_USER_VERSION = getServerVersion()
+}
+
 module.exports = {
+  config,
   appRoot,
   packageRoot
 }

packages/server/config.schema.json

@@ -0,0 +1,8 @@
+{
+  "env": {
+    "doc": "The application environment.",
+    "format": ["production", "development", "test"],
+    "default": "development",
+    "env": "NODE_ENV"
+  }
+}

yarn.lock

@@ -11724,6 +11724,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"convict@npm:^6.2.3":
+  version: 6.2.3
+  resolution: "convict@npm:6.2.3"
+  dependencies:
+    lodash.clonedeep: ^4.5.0
+    yargs-parser: ^20.2.7
+  checksum: 69e44ac26405bf4abcc452a95cf5b9f0ef55786cdf19526a83165e2746a93d86187e3705ebf7e7efc8f06e904143acb228ba21604202ec5a937aed0958d49ac7
+  languageName: node
+  linkType: hard
+
 "cookie-parser@npm:~1.4.4":
   version: 1.4.6
   resolution: "cookie-parser@npm:1.4.6"
@@ -24677,6 +24687,7 @@ __metadata:
   dependencies:
     "@types/eslint": ^8.4.1
     commitizen: ^4.2.4
+    convict: ^6.2.3
     cz-conventional-changelog: ^3.3.0
     eslint: ^8.11.0
     eslint-config-prettier: ^8.5.0
@@ -29458,7 +29469,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs-parser@npm:^20.2.2":
+"yargs-parser@npm:^20.2.2, yargs-parser@npm:^20.2.7":
   version: 20.2.9
   resolution: "yargs-parser@npm:20.2.9"
   checksum: 8bb69015f2b0ff9e17b2c8e6bfe224ab463dd00ca211eece72a4cd8a906224d2703fb8a326d36fdd0e68701e201b2a60ed7cf81ce0fd9b3799f9fe7745977ae3