fix

haproxy/config/haproxy.cfg

@@ -71,6 +71,7 @@ frontend http-in
  acl letsencrypt_http_acl path_beg /.well-known/acme-challenge/
  acl tb_api_acl path_beg /api/ /swagger /webjars /v2/ /v3/ /static/rulenode/ /oauth2/ /login/oauth2/ /static/widgets/
  acl iot-interface_acl path_beg /iot/
+ acl iot-dbapi_acl path_beg /api/dbapi/
 
  redirect scheme https if !letsencrypt_http_acl !transport_http_acl { env(FORCE_HTTPS_REDIRECT) -m str true }
 
@@ -78,6 +79,7 @@ frontend http-in
  use_backend tb-http-backend if transport_http_acl
  use_backend tb-api-backend if tb_api_acl
  use_backend iot-interface-backend if iot-interface_acl
+ use_backend iot-dbapi-backend if iot-dbapi_acl
 
  default_backend tb-web-backend
 
@@ -129,3 +131,10 @@ backend iot-interface-backend
   server iot-interface  iot-interface:8080 check inter 5s resolvers docker_resolver resolve-prefer ipv4
   http-request set-header X-Forwarded-Port %[dst_port]
 
+backend iot-dbapi-backend
+  balance leastconn
+  option tcp-check
+  option log-health-checks
+  server iot-dbapi  iot-dbapi:8520 check inter 5s resolvers docker_resolver resolve-prefer ipv4
+  http-request set-header X-Forwarded-Port %[dst_port]
+