Change format of environment variables in compose files

nextcloud/compose.yml

@@ -11,11 +11,11 @@ services:
       nextcloud_redis:
         condition: service_healthy
     environment:
-      - POSTGRES_HOST=nextcloud_db
-      - POSTGRES_DB=nextcloud
-      - POSTGRES_USER=nextcloud
-      - POSTGRES_PASSWORD=${DB_PASSWORD}
-      - REDIS_HOST=nextcloud_redis
+      POSTGRES_HOST: nextcloud_db
+      POSTGRES_DB: nextcloud
+      POSTGRES_USER: nextcloud
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      REDIS_HOST: nextcloud_redis
     healthcheck:
       test: curl -f http://localhost/status.php || exit 1
       interval: 30s
@@ -33,9 +33,9 @@ services:
     container_name: nextcloud_db
     restart: always
     environment:
-      - POSTGRES_DB=nextcloud
-      - POSTGRES_USER=nextcloud
-      - POSTGRES_PASSWORD=${DB_PASSWORD}
+      POSTGRES_DB: nextcloud
+      POSTGRES_USER: nextcloud
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
     healthcheck:
       test: pg_isready
       interval: 30s