fix: set docker-compose version to 3.9, add quotes to port mapping

docker/docker-compose.build.yml

@@ -1,4 +1,4 @@
-version: '3.7'
+version: '3.9'
 services:
   ghostfolio:
     build: ../
@@ -10,13 +10,13 @@ services:
       REDIS_HOST: 'redis'
       REDIS_PASSWORD: ${REDIS_PASSWORD}
     ports:
-      - 3333:3333
+      - "3333:3333"
     depends_on:
       postgres:
         condition: service_healthy
       redis:
         condition: service_healthy
-
+    
   postgres:
     image: postgres:12
     env_file:

docker/docker-compose.dev.yml

@@ -1,4 +1,4 @@
-version: '3.7'
+version: '3.9'
 services:
   postgres:
     image: postgres:12
@@ -7,7 +7,7 @@ services:
     env_file:
       - ../.env
     ports:
-      - 5432:5432
+      - "5432:5432"
     volumes:
       - postgres:/var/lib/postgresql/data
 
@@ -16,7 +16,7 @@ services:
     container_name: redis
     restart: unless-stopped
     ports:
-      - 6379:6379
+      - "6379:6379"
 
 volumes:
   postgres:

docker/docker-compose.yml

@@ -10,13 +10,13 @@ services:
       REDIS_HOST: 'redis'
       REDIS_PASSWORD: ${REDIS_PASSWORD}
     ports:
-      - 3333:3333
+      - "3333:3333"
     depends_on:
       postgres:
         condition: service_healthy
       redis:
         condition: service_healthy
-
+    
   postgres:
     image: postgres:12
     env_file: