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