Reduce Traefik 502 during deploymnets

Author: marcoacierno

infrastructure/applications/cluster/load_balancer_task.tf

@@ -24,6 +24,14 @@ resource "aws_ecs_task_definition" "traefik" {
         {
           name  = "TRAEFIK_ENTRYPOINTS_WEB_ADDRESS",
           value = ":80"
+        },
+        {
+          name = "TRAEFIK_PROVIDERS_ECS_HEALTHYTASKSONLY",
+          value = "true"
+        },
+        {
+          name = "TRAEFIK_PROVIDERS_ECS_REFRESHSECONDS",
+          value = "5"
         }
       ]
 

infrastructure/applications/pretix/main.tf

@@ -21,6 +21,16 @@ resource "aws_ecs_task_definition" "pretix" {
         "traefik.http.routers.pretix-web.rule" = "Host(`${local.alias}`)"
       }
 
+      healthCheck = {
+        retries = 3
+        command = [
+          "CMD-SHELL",
+          "curl -f http://localhost:80/healthcheck/ || exit 1"
+        ]
+        timeout  = 3
+        interval = 10
+      }
+
       environment = [
         {
           name  = "PRETIX_SENTRY_DSN"