wip: wildcard domain

.env.sample

@@ -7,6 +7,9 @@ COMPOSE_FILE="compose.yml"
 ## Domain aliases
 #EXTRA_DOMAINS=', `www.baserow.example.com`'
 
+## Automatically use subdomains under following domain (anything.example.com)
+#WILDCARD_DOMAIN='example.com'
+
 LETS_ENCRYPT_ENV=production
 
 # COMPOSE_FILE="$COMPOSE_FILE:compose.email.yml"

compose.yml

@@ -11,6 +11,7 @@ services:
       - SECRET_KEY_FILE=/run/secrets/secret_key
       - BASEROW_JWT_SIGNING_KEY_FILE=/run/secrets/baserow_jwt_signing_key
       - BASEROW_CADDY_ADDRESSES=:80 
+      - BASEROW_BUILDER_DOMAINS=${WILDCARD_DOMAIN}
     secrets:
       - secret_key
       - baserow_jwt_signing_key
@@ -20,7 +21,7 @@ services:
       labels:
         - "traefik.enable=true"
         - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=80"
-        - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`${EXTRA_DOMAINS})"
+        - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`${EXTRA_DOMAINS}) || HostRegexp(`{subdomain:\\w+}.${WILDCARD_DOMAIN}`)"
         - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
         - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
         ## Redirect from EXTRA_DOMAINS to DOMAIN