Updated examples (#2405)

* Updated examples

Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Lock examples to PostgreSQL 16

Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Pin postgresql to 16 in Readme example

Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Update .examples/docker-compose/insecure/mariadb/apache/compose.yaml

Co-authored-by: J0WI <J0WI@users.noreply.github.com>
Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Update .examples/docker-compose/insecure/postgres/apache/compose.yaml

Co-authored-by: J0WI <J0WI@users.noreply.github.com>
Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Update .examples/docker-compose/insecure/mariadb/fpm/compose.yaml

Co-authored-by: J0WI <J0WI@users.noreply.github.com>
Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Moved some comments on new lines.

Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Moved another comment to new line

Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Unified across files / updated README file.

Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

* Use canonical links to external services.

Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>

---------

Signed-off-by: Kaloyan Nikolov <tzerber@gmail.com>
Co-authored-by: J0WI <J0WI@users.noreply.github.com>

.examples/docker-compose/insecure/mariadb/apache/compose.yaml

@@ -1,6 +1,9 @@
 services:
+  # Note: MariaDB is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/mariadb
   db:
-    image: mariadb:10.11
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
+    image: mariadb:lts
     command: --transaction-isolation=READ-COMMITTED
     restart: always
     volumes:
@@ -12,6 +15,8 @@ services:
     env_file:
       - db.env
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always

.examples/docker-compose/insecure/mariadb/fpm/compose.yaml

@@ -1,6 +1,9 @@
 services:
+  # Note: MariaDB is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/mariadb
   db:
-    image: mariadb:10.11
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
+    image: mariadb:lts
     command: --transaction-isolation=READ-COMMITTED
     restart: always
     volumes:
@@ -12,6 +15,8 @@ services:
     env_file:
       - db.env
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always
@@ -31,14 +36,18 @@ services:
       - db
       - redis
 
+  # Note: Nginx is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/nginx/
   web:
-    build: ./web
+    image: nginx:alpine-slim
     restart: always
     ports:
       - 127.0.0.1:8080:80
     volumes:
+      # https://docs.nextcloud.com/server/latest/admin_manual/installation/nginx.html
+      - ./web/nginx.conf:/etc/nginx/nginx.conf:ro  
+      # NOTE: The `volumes` included below should match those of the `app` container (unless you know what you're doing)
       - nextcloud:/var/www/html:z,ro
-      # NOTE: The `volumes` included here should match those of the `app` container (unless you know what you're doing)
     depends_on:
       - app
 

.examples/docker-compose/insecure/mariadb/fpm/web/Dockerfile

@@ -1,3 +0,0 @@
-FROM nginx:alpine
-
-COPY nginx.conf /etc/nginx/nginx.conf

.examples/docker-compose/insecure/postgres/apache/compose.yaml

@@ -1,5 +1,8 @@
 services:
+  # Note: PostgreSQL is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/postgres
   db:
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
     image: postgres:alpine
     restart: always
     volumes:
@@ -7,6 +10,8 @@ services:
     env_file:
       - db.env
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always

.examples/docker-compose/insecure/postgres/fpm/compose.yaml

@@ -1,5 +1,8 @@
 services:
+  # Note: PostgreSQL is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/postgres
   db:
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
     image: postgres:alpine
     restart: always
     volumes:
@@ -7,6 +10,8 @@ services:
     env_file:
       - db.env
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always
@@ -26,14 +31,18 @@ services:
       - db
       - redis
 
+  # Note: Nginx is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/nginx/
   web:
-    build: ./web
+    image: nginx:alpine-slim
     restart: always
     ports:
       - 127.0.0.1:8080:80
     volumes:
+      # https://docs.nextcloud.com/server/latest/admin_manual/installation/nginx.html
+      - ./web/nginx.conf:/etc/nginx/nginx.conf:ro  
+      # NOTE: The `volumes` included below should match those of the `app` container (unless you know what you're doing)
       - nextcloud:/var/www/html:z,ro
-      # NOTE: The `volumes` included here should match those of the `app` container (unless you know what you're doing)
     depends_on:
       - app
 

.examples/docker-compose/insecure/postgres/fpm/web/Dockerfile

@@ -1,3 +0,0 @@
-FROM nginx:alpine
-
-COPY nginx.conf /etc/nginx/nginx.conf

.examples/docker-compose/with-nginx-proxy/mariadb/apache/compose.yaml

@@ -1,6 +1,9 @@
 services:
+  # Note: MariaDB is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/mariadb
   db:
-    image: mariadb:10.11
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
+    image: mariadb:lts
     command: --transaction-isolation=READ-COMMITTED
     restart: always
     volumes:
@@ -12,6 +15,8 @@ services:
     env_file:
       - db.env
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always
@@ -33,9 +38,6 @@ services:
     depends_on:
       - db
       - redis
-      # Added proxy container dependency below. 
-      # It is unclear on when or why it happens, but sometimes NC manages to start before the proxy 
-      #  and it breaks for whatever weird reason resulting in the need of manual proxy container restart.
       - proxy
     networks:
       - proxy-tier
@@ -52,6 +54,9 @@ services:
       - db
       - redis
 
+  # Note: Nginx-proxy is an external service. You can find more information about the configuration here:
+  # Warning: Do not use :latest tags of nginx-proxy unless absolutely sure about the consequences.
+  # https://hub.docker.com/r/nginxproxy/nginx-proxy
   proxy:
     build: ./proxy
     restart: always
@@ -69,6 +74,8 @@ services:
     networks:
       - proxy-tier
 
+  # Note: Letsencrypt companion is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/r/nginxproxy/acme-companion
   letsencrypt-companion:
     image: nginxproxy/acme-companion
     restart: always
@@ -85,7 +92,7 @@ services:
     depends_on:
       - proxy
 
-# self signed
+# self signed,outdated
 #  omgwtfssl:
 #    image: paulczar/omgwtfssl
 #    restart: "no"

.examples/docker-compose/with-nginx-proxy/mariadb/apache/proxy/Dockerfile

@@ -1,3 +1,3 @@
-FROM nginxproxy/nginx-proxy:alpine
+FROM nginxproxy/nginx-proxy:1.7-alpine
 
 COPY uploadsize.conf /etc/nginx/conf.d/uploadsize.conf

.examples/docker-compose/with-nginx-proxy/mariadb/fpm/compose.yaml

@@ -1,6 +1,9 @@
 services:
+  # Note: MariaDB is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/mariadb
   db:
-    image: mariadb:10.11
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
+    image: mariadb:lts
     command: --transaction-isolation=READ-COMMITTED
     restart: always
     volumes:
@@ -12,6 +15,8 @@ services:
     env_file:
       - db.env
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always
@@ -32,12 +37,16 @@ services:
       - redis
       - proxy
 
+  # Note: Nginx is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/nginx/
   web:
-    build: ./web
+    image: nginx:alpine-slim
     restart: always
     volumes:
+      # https://docs.nextcloud.com/server/latest/admin_manual/installation/nginx.html
+      - ./web/nginx.conf:/etc/nginx/nginx.conf:ro  
+      # NOTE: The `volumes` included below should match those of the `app` container (unless you know what you're doing)
       - nextcloud:/var/www/html:z,ro
-      # NOTE: The `volumes` included here should match those of the `app` container (unless you know what you're doing)
     environment:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=
@@ -59,6 +68,9 @@ services:
       - db
       - redis
 
+  # Note: Nginx-proxy is an external service. You can find more information about the configuration here:
+  # Warning: Do not use :latest tags of nginx-proxy unless absolutely sure about the consequences.
+  # https://hub.docker.com/r/nginxproxy/nginx-proxy
   proxy:
     build: ./proxy
     restart: always
@@ -75,6 +87,8 @@ services:
     networks:
       - proxy-tier
 
+  # Note: Letsencrypt companion is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/r/nginxproxy/acme-companion
   letsencrypt-companion:
     image: nginxproxy/acme-companion
     restart: always
@@ -91,7 +105,7 @@ services:
     depends_on:
       - proxy
 
-# self signed
+# self signed, outdated. 
 #  omgwtfssl:
 #    image: paulczar/omgwtfssl
 #    restart: "no"

.examples/docker-compose/with-nginx-proxy/mariadb/fpm/proxy/Dockerfile

@@ -1,3 +1,3 @@
-FROM nginxproxy/nginx-proxy:alpine
+FROM nginxproxy/nginx-proxy:1.7-alpine
 
 COPY uploadsize.conf /etc/nginx/conf.d/uploadsize.conf

.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/Dockerfile

@@ -1,3 +0,0 @@
-FROM nginx:alpine
-
-COPY nginx.conf /etc/nginx/nginx.conf

.examples/docker-compose/with-nginx-proxy/postgres/apache/compose.yaml

@@ -1,5 +1,8 @@
 services:
+  # Note: PostgreSQL is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/postgres
   db:
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
     image: postgres:alpine
     restart: always
     volumes:
@@ -7,6 +10,8 @@ services:
     env_file:
       - db.env
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always
@@ -44,6 +49,9 @@ services:
       - db
       - redis
 
+  # Note: Nginx-proxy is an external service. You can find more information about the configuration here:
+  # Warning: Do not use :latest tags of nginx-proxy unless absolutely sure about the consequences.
+  # https://hub.docker.com/r/nginxproxy/nginx-proxy
   proxy:
     build: ./proxy
     restart: always
@@ -60,6 +68,8 @@ services:
     networks:
       - proxy-tier
 
+  # Note: Letsencrypt companion is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/r/nginxproxy/acme-companion
   letsencrypt-companion:
     image: nginxproxy/acme-companion
     restart: always
@@ -74,7 +84,7 @@ services:
     depends_on:
       - proxy
 
-# self signed
+# self signed, outdated
 #  omgwtfssl:
 #    image: paulczar/omgwtfssl
 #    restart: "no"

.examples/docker-compose/with-nginx-proxy/postgres/apache/proxy/Dockerfile

@@ -1,3 +1,3 @@
-FROM nginxproxy/nginx-proxy:alpine
+FROM nginxproxy/nginx-proxy:1.7-alpine
 
 COPY uploadsize.conf /etc/nginx/conf.d/uploadsize.conf

.examples/docker-compose/with-nginx-proxy/postgres/fpm/compose.yaml

@@ -1,7 +1,8 @@
-version: '3'
-
 services:
+  # Note: PostgreSQL is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/postgres
   db:
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
     image: postgres:alpine
     restart: always
     volumes:
@@ -9,6 +10,8 @@ services:
     env_file:
       - db.env
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always
@@ -29,12 +32,16 @@ services:
       - redis
       - proxy
 
+  # Note: Nginx is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/nginx/
   web:
-    build: ./web
+    image: nginx:alpine-slim
     restart: always
     volumes:
+      # https://docs.nextcloud.com/server/latest/admin_manual/installation/nginx.html
+      - ./web/nginx.conf:/etc/nginx/nginx.conf:ro
+      # NOTE: The `volumes` included below should match those of the `app` container (unless you know what you're doing)
       - nextcloud:/var/www/html:z,ro
-      # NOTE: The `volumes` included here should match those of the `app` container (unless you know what you're doing)
     environment:
       - VIRTUAL_HOST=
       - LETSENCRYPT_HOST=
@@ -56,6 +63,9 @@ services:
       - db
       - redis
 
+  # Note: Nginx-proxy is an external service. You can find more information about the configuration here:
+  # Warning: Do not use :latest tags of nginx-proxy unless absolutely sure about the consequences.
+  # https://hub.docker.com/r/nginxproxy/nginx-proxy
   proxy:
     build: ./proxy
     restart: always
@@ -72,6 +82,8 @@ services:
     networks:
       - proxy-tier
 
+  # Note: Letsencrypt companion is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/r/nginxproxy/acme-companion
   letsencrypt-companion:
     image: nginxproxy/acme-companion
     restart: always
@@ -88,7 +100,7 @@ services:
     depends_on:
       - proxy
 
-# self signed
+# self signed, outdated
 #  omgwtfssl:
 #    image: paulczar/omgwtfssl
 #    restart: "no"

.examples/docker-compose/with-nginx-proxy/postgres/fpm/proxy/Dockerfile

@@ -1,3 +1,3 @@
-FROM nginxproxy/nginx-proxy:alpine
+FROM nginxproxy/nginx-proxy:1.7-alpine
 
 COPY uploadsize.conf /etc/nginx/conf.d/uploadsize.conf

.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/Dockerfile

@@ -1,3 +0,0 @@
-FROM nginx:alpine
-
-COPY nginx.conf /etc/nginx/nginx.conf

README.md

@@ -82,7 +82,7 @@ Database:
 ```console
 $ docker run -d \
 -v db:/var/lib/mysql \
-mariadb:10.11
+mariadb:lts
 ```
 
 ### Additional volumes
@@ -403,8 +403,11 @@ Make sure to pass in values for `MYSQL_ROOT_PASSWORD` and `MYSQL_PASSWORD` varia
 
 ```yaml
 services:
+  # Note: MariaDB is external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/mariadb
   db:
-    image: mariadb:10.11
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
+    image: mariadb:lts
     restart: always
     command: --transaction-isolation=READ-COMMITTED
     volumes:
@@ -415,6 +418,8 @@ services:
       - MYSQL_DATABASE=nextcloud
       - MYSQL_USER=nextcloud
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always
@@ -451,8 +456,11 @@ Make sure to pass in values for `MYSQL_ROOT_PASSWORD` and `MYSQL_PASSWORD` varia
 
 ```yaml
 services:
+  # Note: MariaDB is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/mariadb
   db:
-    image: mariadb:10.11
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
+    image: mariadb:lts
     restart: always
     command: --transaction-isolation=READ-COMMITTED
     volumes:
@@ -463,6 +471,8 @@ services:
       - MYSQL_DATABASE=nextcloud
       - MYSQL_USER=nextcloud
 
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always
@@ -481,15 +491,18 @@ services:
       - MYSQL_USER=nextcloud
       - MYSQL_HOST=db
 
+  # Note: Nginx is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/nginx/
   web:
-    image: nginx
+    image: nginx:alpine-slim
     restart: always
     ports:
       - 8080:80
     depends_on:
       - app
     volumes:
-      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+      # https://docs.nextcloud.com/server/latest/admin_manual/installation/nginx.html
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro 
     volumes_from:
       - app
 
@@ -514,8 +527,11 @@ Example:
 
 ```yaml
 services:
+  # Note: PostgreSQL is external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/postgres
   db:
-    image: postgres
+    # Note: Check the recommend version here: https://docs.nextcloud.com/server/latest/admin_manual/installation/system_requirements.html#server
+    image: postgres:alpine
     restart: always
     volumes:
       - db:/var/lib/postgresql/data
@@ -527,6 +543,8 @@ services:
       - postgres_db
       - postgres_password
       - postgres_user
+  # Note: Redis is an external service. You can find more information about the configuration here:
+  # https://hub.docker.com/_/redis
   redis:
     image: redis:alpine
     restart: always