pretix: limit RAM usage, cleanup

jobs/socs/dcusr-pretix.hcl

@@ -1,8 +1,12 @@
-job "pretix" {
+job "dcusr-pretix" {
   datacenters = ["aperture"]
 
   type = "service"
 
+  meta {
+    domain = "tickets.solarracing.ie"
+  }
+
   group "web" {
     network {
       # mode = "bridge"
@@ -12,7 +16,6 @@ job "pretix" {
 
       port "db" {
         to = 5432
-        static = 5432
       }
 
       port "redis" {
@@ -21,26 +24,20 @@ job "pretix" {
     }
 
     service {
-      name = "pretix"
+      name = "pretix-web"
       port = "http"
 
-      # check {
-      #   type     = "http"
-      #   path     = "/"
-      #   interval = "10s"
-      #   timeout  = "2s"
-      # }
-
       tags = [
         "traefik.enable=true",
         "traefik.port=${NOMAD_PORT_http}",
-        "traefik.http.routers.pretix.rule=Host(`tickets.solarracing.ie`)",
+        "traefik.http.routers.pretix.entrypoints=web,websecure",
+        "traefik.http.routers.pretix.rule=Host(`${NOMAD_META_domain}`)",
         "traefik.http.routers.pretix.tls=true",
         "traefik.http.routers.pretix.tls.certresolver=lets-encrypt",
       ]
     }
 
-    task "app" {
+    task "pretix" {
       driver = "docker"
 
       config {
@@ -49,25 +46,28 @@ job "pretix" {
 
         volumes = [
           "local/pretix.cfg:/etc/pretix/pretix.cfg",
-          "/storage/nomad/pretix/data:/data"
+          "/storage/nomad/pretix/data:/data",
+          "/etc/timezone:/etc/timezone:ro",
         ]
 
       }
 
       resources {
-          memory = 15000
+        memory = 5000
+        cores  = 1
+      }
+      env {
+        NUM_WORKERS = 1
       }
 
       template {
         data        = <<EOH
 [pretix]
 instance_name=DCU Solar Racing
-url=https://tickets.solarracing.ie
+url=https://{{ env "NOMAD_META_domain" }}
 currency=EUR
-; DO NOT change the following value, it has to be set to the location of the
-; directory *inside* the docker container
 datadir=/data
-registration=on
+registration=off
 
 [locale]
 timezone=Europe/Dublin
@@ -78,26 +78,25 @@ name={{ key "pretix/db/name" }}
 user={{ key "pretix/db/user" }}
 password={{ key "pretix/db/password" }}
 host={{ env "NOMAD_IP_db" }}
-port={{ env "NOMAD_PORT_db" }}
+port={{ env "NOMAD_HOST_PORT_db" }}
 
 [mail]
 from={{ key "pretix/mail/from" }}
 host={{ key "pretix/mail/host" }}
 user={{ key "pretix/mail/user" }}
 password={{ key "pretix/mail/password" }}
-port=465
+port=587
 tls=on
 ssl=off
 
 [redis]
 location=redis://{{ env "NOMAD_ADDR_redis" }}/0
-; Remove the following line if you are unsure about your redis'security
-; to reduce impact if redis gets compromised.
 sessions=true
 
 [celery]
 backend=redis://{{ env "NOMAD_ADDR_redis" }}/1
 broker=redis://{{ env "NOMAD_ADDR_redis" }}/2
+worker_prefetch_multiplier = 0
 EOH
         destination = "local/pretix.cfg"
       }
@@ -113,7 +112,6 @@ EOH
 
         volumes = [
           "/storage/nomad/pretix/db:/var/lib/postgresql/data",
-          "local/pg_hba.conf:/pg_hba.conf",
         ]
       }
 
@@ -125,21 +123,6 @@ EOH
         destination = "local/db.env"
         env         = true
       }
-
-      template {
-        data = <<EOH
-local   all             all                                     trust
-host    all             all             127.0.0.1/32            trust
-host    all             all             172.17.0.1/32           trust
-host    all             all             ::1/128                 trust
-local   replication     all                                     trust
-host    replication     all             127.0.0.1/32            trust
-host    replication     all             ::1/128                 trust
-host 	all 		    all 		    all 			        scram-sha-256
-EOH
-
-        destination = "local/pg_hba.conf"
-      }
     }
 
     task "redis" {