Authelia: add redis (valkey) as session storage

Taskfile.yml

@@ -55,16 +55,24 @@ tasks:
         validate-config --config /data/{{.DEST_FILE}}      
 
   authelia-gen-random-string:
+    summary: |
+      Generate random string.      
+      Usage example: 
+        task authelia-gen-random-string LEN=64
+    vars:
+      LEN: '{{ .LEN | default 10 }}'
     cmds:
       - >
         {{.AUTHELIA_DOCKER}}
-        crypto rand --length 32 --charset alphanumeric
+        crypto rand --length {{.LEN}} --charset alphanumeric
 
   authelia-gen-secret-and-hash:
+    vars:
+      LEN: '{{ .LEN | default 72 }}'
     cmds:
       - >
         {{.AUTHELIA_DOCKER}}
-        crypto hash generate pbkdf2 --variant sha512 --random --random.length 72 --random.charset rfc3986
+        crypto hash generate pbkdf2 --variant sha512 --random --random.length {{.LEN}} --random.charset rfc3986
 
   format-py-files:
     cmds:

files/authelia/configuration.template.yml

@@ -895,9 +895,9 @@ session:
   ##
   ## Important: Kubernetes (or HA) users must read https://www.authelia.com/t/statelessness
   ##
-  # redis:
-    # host: '127.0.0.1'
-    # port: 6379
+  redis:
+     host: 'authelia_redis'
+     port: 6379
     ## Use a unix socket instead
     # host: '/var/run/redis/redis.sock'
 

files/authelia/docker-compose.template.yml

@@ -7,9 +7,19 @@ services:
     restart: 'unless-stopped'
     networks:
       - "web_proxy_network"
+      - "monitoring_network"
     volumes:
       - "{{ config_dir }}:/config"
 
+  authelia_redis:
+    image: valkey/valkey:9-alpine
+    container_name: authelia_redis
+    restart: unless-stopped
+    networks:
+      - "monitoring_network"
+
 networks:
   web_proxy_network:
     external: true
+  monitoring_network:
+    external: true

playbook-authelia.yml

@@ -49,7 +49,7 @@
 
     - name: "Copy docker compose file"
       ansible.builtin.template:
-        src: "./files/{{ app_name }}/docker-compose.yml.j2"
+        src: "./files/{{ app_name }}/docker-compose.template.yml"
         dest: "{{ base_dir }}/docker-compose.yml"
         owner: "{{ app_user }}"
         group: "{{ app_user }}"