[TRAEFIK] Add template + variable

roles/traefik/templates/config/traefik.yml.j2

@@ -0,0 +1,53 @@
+log:
+  level: DEBUG
+
+api:
+  dashboard: true
+
+accessLog:
+  filePath: "/var/log/traefik/access.log"
+  format: json
+
+entryPoints:
+  http:
+    address: ":80"
+    http:
+      redirections:
+        entryPoint:
+          to: https
+          scheme: https
+  https:
+    address: ":443"
+  metrics:
+    address: ":8080"
+
+metrics:
+  prometheus:
+    entryPoint: metrics
+    buckets:
+      - 0.1
+      - 0.3
+      - 1.2
+      - 5.0
+    addEntryPointsLabels: true
+    addServicesLabels: true
+
+providers:
+  docker:
+    endpoint: "unix:///var/run/docker.sock"
+    exposedByDefault: false
+  http:
+    endpoint: "http://http_provider/dynamic_conf.yaml"
+
+certificatesResolvers:
+  sslResolver:
+    acme:
+      email: {{ acme.email }}
+      tlschallenge: {}
+      storage: acme.json
+      keyType: RSA4096
+{% if acme.debug %}
+      caServer: "https://acme-staging-v02.api.letsencrypt.org/directory"
+{% endif %}
+      httpChallenge:
+        entryPoint: http