Publish Alpine musl distroless Postfix as the sole latest image

docker-compose.yml

@@ -1,7 +1,6 @@
-version: "3.8"
-
 services:
   postfix:
+    image: docker.io/k2patel/postfix:latest
     build: .
     container_name: postfix-relay
     hostname: ${SERVER_HOSTNAME:-postfix-relay}
@@ -17,6 +16,7 @@ services:
       - DOMAIN=${DOMAIN}
       - SERVER_HOSTNAME=${SERVER_HOSTNAME}
       - SMTP_NETWORKS=${SMTP_NETWORKS}
+      - LOCAL_NETWORK=${LOCAL_NETWORK:-}
       - SMTP_HEADER_TAG=${SMTP_HEADER_TAG}
       - DEBUG=${DEBUG:-no}
     volumes:
@@ -32,7 +32,7 @@ services:
         max-file: "3"
         labels: "service=postfix-relay"
     healthcheck:
-      test: ["CMD", "postfix", "status"]
+      test: ["CMD", "/usr/local/bin/postfix-entrypoint", "--healthcheck"]
       interval: 30s
       timeout: 10s
       retries: 3