Fix: traefik extra containers when many separate instances

.paasify/plugins/traefik-svc.jsonnet

@@ -46,6 +46,7 @@ local global_vars_default(user_data) =
     traefik_net_external: true,
     traefik_svc_ident: stack ,
     traefik_svc_port: user_data.app_port ,
+    traefik_svc_group: ns + sep + 'traefik',
 
     traefik_svc_name: null,
     traefik_svc_domain: null,
@@ -97,9 +98,10 @@ local global_vars_override(conf) =
 # -------------------------------------
 
 # Base routing
-local LabelsTraefik(svc, domain, entrypoints, port) =
+local LabelsTraefik(svc, domain, entrypoints, port, group) =
   {
     ["traefik.enable"]: "true",
+    ["traefik.group"]: group,
     ["traefik.http.routers." + svc + ".rule"]: 'Host(`' + domain + '`)',
     ["traefik.http.routers." + svc + ".entrypoints"]: entrypoints,
     ["traefik.http.routers." + svc + ".service"]: svc,
@@ -173,7 +175,8 @@ local docker_transform(conf_raw, docker_data) =
             conf.traefik_svc_name,
             conf._traefik_svc_domain,
             conf.traefik_svc_entrypoints,
-            conf.traefik_svc_port) 
+            conf.traefik_svc_port, 
+            conf.traefik_svc_group) 
           + LabelsTraefikAuthelia(
               conf.traefik_svc_name,
               conf.traefik_svc_auth)

traefik/docker-compose.yml

@@ -1,16 +1,6 @@
 ---
 version: "3.7"
 
-x-paasify-tests:
-  v1: $VAR1
-  v1: ${VAR2}
-  v1: ${VAR3:-VAL3}
-  v2: ${VAR4:-${VAR5:-VAL5 with space}:${VAR6:-VAL6}}
-
-  v1: ${VAR6:-${VAR7}}
-  v1: ${VAR8:-${VAR9:-VAL9}}
-
-
 services:
   traefik:
     image: ${app_image}
@@ -41,6 +31,11 @@ services:
       - TRAEFIK_PROVIDERS_DOCKER_SWARMMODE=false
       - TRAEFIK_PROVIDERS_FILE_DIRECTORY=/etc/traefik
 
+      # This will restrict traefik to conatiners having label `proxy.group`
+      - TRAEFIK_PROVIDERS_DOCKER_CONSTRAINTS=Label(`traefik.group`,`$app_network_name`)
+      #- TRAEFIK_PROVIDERS_DOCKER_DEFAULTRULE=Host(`{{ .Name }}.{{ index .Labels \"proxy.name\"}}`)
+
+
 
       # File provider
       #- TRAEFIK_PROVIDERS.FILE.DIRECTORY=/etc/traefik/configs
@@ -48,6 +43,9 @@ services:
       # Entrypoints
       - TRAEFIK_ENTRYPOINTS_front-http_ADDRESS=:80 # <== Defining an entrypoint for port :80 named front
 
+    labels:
+      - traefik.group=$app_network_name
+
     volumes:
       - $app_dir_conf:/etc/traefik
       - $app_dir_data:/data