ci: ensure all compose files are valid compose v2 + formatting

test/test_custom/test_defaults-location.yml

@@ -1,30 +1,33 @@
-nginx-proxy:
-  image: nginxproxy/nginx-proxy:test
-  volumes:
-    - /var/run/docker.sock:/tmp/docker.sock:ro
-    - ./my_custom_proxy_settings.conf:/etc/nginx/vhost.d/default_location:ro
-    - ./my_custom_proxy_settings_bar.conf:/etc/nginx/vhost.d/web3.nginx-proxy.example_location:ro
+version: "2"
 
-web1:
-  image: web
-  expose:
-    - "81"
-  environment:
-    WEB_PORTS: 81
-    VIRTUAL_HOST: web1.nginx-proxy.example
+services:
+  nginx-proxy:
+    image: nginxproxy/nginx-proxy:test
+    volumes:
+      - /var/run/docker.sock:/tmp/docker.sock:ro
+      - ./my_custom_proxy_settings.conf:/etc/nginx/vhost.d/default_location:ro
+      - ./my_custom_proxy_settings_bar.conf:/etc/nginx/vhost.d/web3.nginx-proxy.example_location:ro
 
-web2:
-  image: web
-  expose:
-    - "82"
-  environment:
-    WEB_PORTS: 82
-    VIRTUAL_HOST: web2.nginx-proxy.example
+  web1:
+    image: web
+    expose:
+      - "81"
+    environment:
+      WEB_PORTS: 81
+      VIRTUAL_HOST: web1.nginx-proxy.example
 
-web3:
-  image: web
-  expose:
-    - "83"
-  environment:
-    WEB_PORTS: 83
-    VIRTUAL_HOST: web3.nginx-proxy.example
+  web2:
+    image: web
+    expose:
+      - "82"
+    environment:
+      WEB_PORTS: 82
+      VIRTUAL_HOST: web2.nginx-proxy.example
+
+  web3:
+    image: web
+    expose:
+      - "83"
+    environment:
+      WEB_PORTS: 83
+      VIRTUAL_HOST: web3.nginx-proxy.example

test/test_custom/test_defaults.yml

@@ -1,4 +1,5 @@
-version: '2'
+version: "2"
+
 services:
   nginx-proxy:
     image: nginxproxy/nginx-proxy:test

test/test_custom/test_location-per-vhost.yml

@@ -1,4 +1,5 @@
-version: '2'
+version: "2"
+
 services:
   nginx-proxy:
     image: nginxproxy/nginx-proxy:test

test/test_custom/test_per-vhost.yml

@@ -1,4 +1,5 @@
-version: '2'
+version: "2"
+
 services:
   nginx-proxy:
     image: nginxproxy/nginx-proxy:test

test/test_custom/test_proxy-wide.yml

@@ -1,4 +1,5 @@
-version: '2'
+version: "2"
+
 services:
   nginx-proxy:
     image: nginxproxy/nginx-proxy:test