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/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