Remove default passwords in all example files

 - To discourage production use without changing the passwords.

README.md

@@ -151,6 +151,8 @@ For further details on the settings see: https://manual.limesurvey.org/Optional_
 
 The easiest way to get a fully featured and functional setup is using a docker-compose file. Several examples are provided in the [repository](https://github.com/martialblog/docker-limesurvey).
 
+**Hint:** You need to configure database and Limesurvey password in the `docker-compose` files before starting. No defaults are provided to discourage production use with default passwords.
+
 ```
 docker-compose up
 
@@ -161,8 +163,6 @@ http://localhost:8080/
 http://localhost:8080/index.php/admin
 ```
 
-Please note / warning: To sign into the admin panel in the examples, the credentials are username: *admin* password: *foobar*, however, if you are planning for any use beyond testing, it is highly recommended that you use environment variables to define a secure username and password.
-
 # Running LimeSurvey with Helm
 
 A Helm Chart for this Image can be used for deployments. Please refer to the Helm Repository for further details:

docker-compose.apache.yml

@@ -8,8 +8,8 @@ services:
       - lime-db
     environment:
       - "DB_HOST=lime-db"
-      - "DB_PASSWORD=secret"
-      - "ADMIN_PASSWORD=foobar"
+      # - "DB_PASSWORD="
+      # - "ADMIN_PASSWORD="
       - "PUBLIC_URL=http://my.survey.localhost:8080"  # Example, Change this
       - "BASE_URL=http://my.survey.localhost:8080"  # Example, Change this
   proxy:
@@ -24,6 +24,6 @@ services:
     environment:
       - "MYSQL_USER=limesurvey"
       - "MYSQL_DATABASE=limesurvey"
-      - "MYSQL_PASSWORD=secret"
-      - "MYSQL_ROOT_PASSWORD=secret"
+      # - "MYSQL_PASSWORD="
+      # - "MYSQL_ROOT_PASSWORD="
 

docker-compose.example.yml

@@ -7,12 +7,12 @@ services:
       - DB_TYPE=pgsql
       - DB_PORT=5432
       - DB_HOST=db
-      - DB_PASSWORD=example
+      # - DB_PASSWORD=
       - DB_NAME=limesurvey
       - DB_USERNAME=limesurvey
       - ADMIN_USER=admin
       - ADMIN_NAME=Admin
-      - ADMIN_PASSWORD=example
+      # - ADMIN_PASSWORD=
       - [email protected]
       - PUBLIC_URL=foobar.com
     volumes:
@@ -29,7 +29,7 @@ services:
     environment:
       - POSTGRES_USER=limesurvey
       - POSTGRES_DB=limesurvey
-      - POSTGRES_PASSWORD=example
+      # - POSTGRES_PASSWORD=
 
 volumes:
   limesurvey:

docker-compose.fpm-certbot.yml

@@ -14,9 +14,9 @@ services:
       - lime-db
     environment:
       - "DB_HOST=lime-db"
-      - "DB_PASSWORD=secret"
-      - "ADMIN_PASSWORD=foobar"
-  lime-web:
+      # - "DB_PASSWORD="
+      # - "ADMIN_PASSWORD="
+   lime-web:
     build:
       context: nginx-certbot/
       dockerfile: Dockerfile
@@ -44,7 +44,7 @@ services:
     environment:
       - "MYSQL_USER=limesurvey"
       - "MYSQL_DATABASE=limesurvey"
-      - "MYSQL_PASSWORD=secret"
-      - "MYSQL_ROOT_PASSWORD=secret"
+      # - "MYSQL_PASSWORD="
+      # - "MYSQL_ROOT_PASSWORD="
 volumes:
   lime:

docker-compose.fpm.alpine.yml

@@ -14,8 +14,8 @@ services:
       - lime-db
     environment:
       - "DB_HOST=lime-db"
-      - "DB_PASSWORD=secret"
-      - "ADMIN_PASSWORD=foobar"
+      # - "DB_PASSWORD="
+      # - "ADMIN_PASSWORD="
   lime-web:
     image: docker.io/nginx:alpine
     links:
@@ -32,7 +32,7 @@ services:
     environment:
       - "MYSQL_USER=limesurvey"
       - "MYSQL_DATABASE=limesurvey"
-      - "MYSQL_PASSWORD=secret"
-      - "MYSQL_ROOT_PASSWORD=secret"
+      # - "MYSQL_PASSWORD="
+      # - "MYSQL_ROOT_PASSWORD="
 volumes:
   lime:

docker-compose.fpm.yml

@@ -14,8 +14,8 @@ services:
       - lime-db
     environment:
       - "DB_HOST=lime-db"
-      - "DB_PASSWORD=secret"
-      - "ADMIN_PASSWORD=foobar"
+      # - "DB_PASSWORD="
+      # - "ADMIN_PASSWORD="
   lime-web:
     image: docker.io/nginx
     links:
@@ -30,7 +30,7 @@ services:
     environment:
       - "MYSQL_USER=limesurvey"
       - "MYSQL_DATABASE=limesurvey"
-      - "MYSQL_PASSWORD=secret"
-      - "MYSQL_ROOT_PASSWORD=secret"
+      # - "MYSQL_PASSWORD="
+      # - "MYSQL_ROOT_PASSWORD="
 volumes:
   lime:

docker-compose.pgsql.yml

@@ -19,16 +19,16 @@ services:
       - "DB_TYPE=pgsql"
       - "DB_PORT=5432"
       - "DB_HOST=lime-db"
-      - "DB_PASSWORD=secret"
-      - "ADMIN_PASSWORD=foobar"
+      # - "DB_PASSWORD="
+      # - "ADMIN_PASSWORD="
   lime-db:
     image: docker.io/postgres:10
     volumes:
       - db-data:/var/lib/postgresql/data
     environment:
       - "POSTGRES_USER=limesurvey"
       - "POSTGRES_DB=limesurvey"
-      - "POSTGRES_PASSWORD=secret"
+      # - "POSTGRES_PASSWORD="
 
 volumes:
   db-data:

docker-compose.traefik.domain.yml

@@ -15,8 +15,8 @@ services:
       - lime-db
     environment:
       - "DB_HOST=lime-db"
-      - "DB_PASSWORD=secret"
-      - "ADMIN_PASSWORD=foobar"
+      # - "DB_PASSWORD="
+      # - "ADMIN_PASSWORD="
       - "PUBLIC_URL=http://my.survey.localhost:8888"
       - "BASE_URL=http://my.survey.localhost:8888"
   traefik:
@@ -37,6 +37,5 @@ services:
     environment:
       - "MYSQL_USER=limesurvey"
       - "MYSQL_DATABASE=limesurvey"
-      - "MYSQL_PASSWORD=secret"
-      - "MYSQL_ROOT_PASSWORD=secret"
-
+      # - "MYSQL_PASSWORD="
+      # - "MYSQL_ROOT_PASSWORD="

docker-compose.traefik.yml

@@ -19,8 +19,8 @@ services:
       - "./examples/apache-example.conf:/etc/apache2/sites-available/000-default.conf:ro"
     environment:
       - "DB_HOST=lime-db"
-      - "DB_PASSWORD=secret"
-      - "ADMIN_PASSWORD=foobar"
+      # - "DB_PASSWORD="
+      # - "ADMIN_PASSWORD="
       - "PUBLIC_URL=http://localhost:8888/limesurvey"
       - "BASE_URL=http://localhost:8888/limesurvey"
   traefik:
@@ -41,6 +41,5 @@ services:
     environment:
       - "MYSQL_USER=limesurvey"
       - "MYSQL_DATABASE=limesurvey"
-      - "MYSQL_PASSWORD=secret"
-      - "MYSQL_ROOT_PASSWORD=secret"
-
+      # - "MYSQL_PASSWORD="
+      # - "MYSQL_ROOT_PASSWORD="

docker-compose.yml

@@ -15,14 +15,14 @@ services:
       - "8080:8080"
     environment:
       - "DB_HOST=lime-db"
-      - "DB_PASSWORD=secret"
-      - "ADMIN_PASSWORD=foobar"
+      # - "DB_PASSWORD="
+      # - "ADMIN_PASSWORD="
       # If you require an empty table prefix, use a space as the DB_TABLE_PREFIX
       # - "DB_TABLE_PREFIX= "
   lime-db:
     image: docker.io/mysql:5.7
     environment:
       - "MYSQL_USER=limesurvey"
       - "MYSQL_DATABASE=limesurvey"
-      - "MYSQL_PASSWORD=secret"
-      - "MYSQL_ROOT_PASSWORD=secret"
+      # - "MYSQL_PASSWORD="
+      # - "MYSQL_ROOT_PASSWORD="