#1402 Environment variables for custom image (#1403)

* chore: enhance compose.yaml with variables for customize

* chore: use default blank values for db and redis variables in compose.yaml

* chore: Use env var for HTTP(S) publish ports in overrides

* docs: explain use of environment variables for image customization

* chore: use ERPNEXT_VERSION as default

* docs: fixed spelling errors

overrides/compose.https.yaml

@@ -21,8 +21,8 @@ services:
       - --certificatesResolvers.main-resolver.acme.email=${LETSENCRYPT_EMAIL:?No Let's Encrypt email set}
       - --certificatesResolvers.main-resolver.acme.storage=/letsencrypt/acme.json
     ports:
-      - 80:80
-      - 443:443
+      - ${HTTP_PUBLISH_PORT:-80}:80
+      - ${HTTPS_PUBLISH_PORT:-443}:443
     volumes:
       - cert-data:/letsencrypt
       - /var/run/docker.sock:/var/run/docker.sock:ro

overrides/compose.noproxy.yaml

@@ -1,4 +1,4 @@
 services:
   frontend:
     ports:
-      - 8080:8080
+      - ${HTTP_PUBLISH_PORT:-8080}:8080

overrides/compose.proxy.yaml

@@ -13,7 +13,7 @@ services:
       - --providers.docker.exposedbydefault=false
       - --entrypoints.web.address=:80
     ports:
-      - 80:80
+      - ${HTTP_PUBLISH_PORT:-80}:80
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock:ro
     userns_mode: host

overrides/compose.traefik-ssl.yaml

@@ -40,7 +40,7 @@ services:
       # Enable the Dashboard and API
       - --api
     ports:
-      - 443:443
+      - ${HTTPS_PUBLISH_PORT:-443}:443
     volumes:
       - cert-data:/certificates
 

overrides/compose.traefik.yaml

@@ -35,7 +35,7 @@ services:
       # Enable the Dashboard and API
       - --api
     ports:
-      - 80:80
+      - ${HTTP_PUBLISH_PORT:-80}:80
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock:ro
     networks: