Update to Traefik v3

.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"

abra.sh

@@ -1,3 +1,3 @@
-export TRAEFIK_YML_VERSION=v21
+export TRAEFIK_YML_VERSION=v22
 export FILE_PROVIDER_YML_VERSION=v10
 export ENTRYPOINT_VERSION=v4

compose.yml

@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: "traefik:v2.11.24"
+    image: "traefik:v3.4.4"
     # Note(decentral1se): *please do not* add any additional ports here.
     # Doing so could break new installs with port conflicts. Please use
     # the usual `compose.$app.yml` approach for any additional ports
@@ -27,6 +27,7 @@ services:
     environment:
       - DASHBOARD_ENABLED
       - LOG_LEVEL
+      - LOG_MAX_AGE
     healthcheck:
       test: ["CMD", "traefik", "healthcheck"]
       interval: 30s
@@ -78,7 +79,7 @@ services:
       - SECRETS=0
       - SERVICES=1 # Needs access
       - SESSION=0
-      - SWARM=0
+      - SWARM=1
       - SYSTEM=0
       - TASKS=1 # Needs access
       - VERSION=1 # Needs access

traefik.yml.tmpl

@@ -1,13 +1,16 @@
 ---
+core:
+  defaultRuleSyntax: v2
+ 
 log:
   level: {{ env "LOG_LEVEL" }}
+  maxAge: {{ env "LOG_MAX_AGE" }}
 
 providers:
-  docker:
+  swarm:
     endpoint: "tcp://socket-proxy:2375"
     exposedByDefault: false
     network: proxy
-    swarmMode: true
   {{ if eq (env "FILE_PROVIDER_DIRECTORY_ENABLED") "1" }}
   file:
     directory: /etc/traefik/file-providers