feat(lva): add support for custom docker image and tag overrides

Update docker-compose to use environment variables with defaults for
container image selection. Add documentation and example values
to the .env configuration file.

Author: florian-asche

03-stage-linux-voice-assistant/01-linux-voice-assistant/files/lva/.env

@@ -1,6 +1,10 @@
 # Linux-Voice-Assistant - Docker Environment Configuration
 # Copy this file to .env and customize for your setup by 'cp .env.example .env'
 
+### Specify another docker image (optional):
+# LVA_IMAGE="ghcr.io/ohf-voice/linux-voice-assistant"
+# LVA_IMAGE_TAG="latest"
+
 ### Enable debug mode (optional):
 # ENABLE_DEBUG="1"
 

03-stage-linux-voice-assistant/01-linux-voice-assistant/files/lva/docker-compose.yml

@@ -2,7 +2,7 @@
 services:
   # Fix permissions for wakeword_data and configuration volume
   fix-permissions:
-    image: "ghcr.io/ohf-voice/linux-voice-assistant:latest"
+    image: "${LVA_IMAGE:-ghcr.io/ohf-voice/linux-voice-assistant}:${LVA_IMAGE_TAG:-latest}"
     entrypoint: []
     command: "chown -R ${LVA_USER_ID:-1000}:${LVA_USER_GROUP:-1000} /app/local /app/configuration /app/wakewords/custom /app/sounds/custom"
     environment:
@@ -24,7 +24,7 @@ services:
   # Linux Voice Assistant
   linux-voice-assistant:
     container_name: linux-voice-assistant
-    image: "ghcr.io/ohf-voice/linux-voice-assistant:latest"
+    image: "${LVA_IMAGE:-ghcr.io/ohf-voice/linux-voice-assistant}:${LVA_IMAGE_TAG:-latest}"
     restart: unless-stopped
     network_mode: "host"
     user: "${LVA_USER_ID:-1000}:${LVA_USER_GROUP:-1000}"