revert caddy changes

template/docker-compose.caddy.yml

@@ -24,8 +24,6 @@ services:
         depends_on:
             - postgres
         container_name: piped-backend
-        environment:
-          - PORT=PORT_VALUE
     nginx:
         image: nginx:mainline-alpine
         restart: unless-stopped
@@ -33,15 +31,13 @@ services:
             - ./config/nginx.conf:/etc/nginx/nginx.conf:ro
             - ./config/pipedapi.conf:/etc/nginx/conf.d/pipedapi.conf:ro
         container_name: nginx
-        environment:
-          - PORT=PORT_VALUE
         depends_on:
             - piped
     caddy:
         image: caddy:2-alpine
         restart: unless-stopped
         ports:
-            - "PORT_VALUE:80"
+            - "80:80"
             - "443:443"
             - "443:443/udp"
         volumes: