Set timezone configuration via environment variable

.env.example

@@ -2,3 +2,6 @@
 # A missconfigured SERVER_ADDRESS will cause the app to have CSRF errors.
 SERVER_ADDRESS=my_server_address
 DEBUG_MODE=False
+
+# Choose a timezone from https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
+TIMEZONE=America/Sao_Paulo

docker-compose-no-nginx-dev.yml

@@ -9,6 +9,7 @@ services:
       - SERVER_ADDRESS=127.0.0.1
       - DEBUG_MODE=True
       - COMPOSE_VERSION=02r
+      - TZ=${TIMEZONE}
     volumes:
       - wireguard:/etc/wireguard
       - static_volume:/app_static_files/
@@ -39,6 +40,8 @@ services:
     build:
       context: ./cron
       dockerfile: Dockerfile-cron
+    environment:
+      - TZ=${TIMEZONE}
     depends_on:
       - wireguard-webadmin
 
@@ -51,6 +54,8 @@ services:
     volumes:
       - app_secrets:/app_secrets/
       - rrd_data:/rrd_data/
+    environment:
+      - TZ=${TIMEZONE}
     depends_on:
       - wireguard-webadmin
 
@@ -60,6 +65,8 @@ services:
     build:
       context: ./containers/dnsmasq
       dockerfile: Dockerfile-dnsmasq
+    environment:
+      - TZ=${TIMEZONE}
     volumes:
       - dnsmasq_conf:/etc/dnsmasq/
 

entrypoint.sh

@@ -28,6 +28,11 @@ CSRF_TRUSTED_ORIGINS = ['http://wireguard-webadmin', 'https://$SERVER_ADDRESS']
 SECRET_KEY = '$(openssl rand -base64 32)'
 EOL
 
+if [ -n "$TZ" ]; then
+    echo "TIME_ZONE = '$TZ'" >> /app/wireguard_webadmin/production_settings.py
+fi
+
+
 sed -i "/^    path('admin\/', admin.site.urls),/s/^    /    # /" /app/wireguard_webadmin/urls.py
 
 exec "$@"