Merge pull request 'Expose max log retention in traefik.yml' (#51) from sixsmith/traefik:master into master

Reviewed-on: coop-cloud/traefik#51
Reviewed-by: marlon <marlon@riseup.net>

.env.sample

@@ -10,6 +10,7 @@ LETS_ENCRYPT_EMAIL=certs@example.com
 # DASHBOARD_ENABLED=true
 # WARN, INFO etc.
 LOG_LEVEL=WARN
+LOG_MAX_AGE=1
 
 # This is here so later lines can extend it; you likely don't wanna edit
 COMPOSE_FILE="compose.yml"

compose.yml

@@ -27,6 +27,7 @@ services:
     environment:
       - DASHBOARD_ENABLED
       - LOG_LEVEL
+      - LOG_MAX_AGE
     healthcheck:
       test: ["CMD", "traefik", "healthcheck"]
       interval: 30s

traefik.yml.tmpl

@@ -1,6 +1,8 @@
 ---
 log:
   level: {{ env "LOG_LEVEL" }}
+  maxAge: {{ env "LOG_MAX_AGE" }}
+
 
 providers:
   docker: