feat: add nginx proxy for theme injection (cleaner approach)

asciinema/compose.yaml

@@ -1,14 +1,13 @@
 services:
-  asciinema:
+  asciinema_backend:
     image: ${ASCIINEMA_IMAGE:-ghcr.io/asciinema/asciinema-server:latest}
-    container_name: ${ASCIINEMA_COMPOSE_PROJECT_NAME}_app
+    container_name: ${ASCIINEMA_COMPOSE_PROJECT_NAME}_backend
     restart: unless-stopped
     networks:
       - compose_network
     volumes:
       - asciinema_data:/var/opt/asciinema
       - ./custom.exs:/opt/app/etc/custom.exs:ro
-      - ./theme:/opt/app/etc/theme:ro
     environment:
       SECRET_KEY_BASE: ${ASCIINEMA_SECRET_KEY}
       URL_HOST: ${ASCIINEMA_TRAEFIK_HOST}
@@ -20,6 +19,18 @@ services:
       SMTP_FROM_ADDRESS: ${EMAIL_FROM}
       SIGN_UP_DISABLED: ${ASCIINEMA_SIGN_UP_DISABLED:-false}
       DEFAULT_AVATAR: gravatar
+
+  asciinema:
+    image: nginx:alpine
+    container_name: ${ASCIINEMA_COMPOSE_PROJECT_NAME}_app
+    restart: unless-stopped
+    networks:
+      - compose_network
+    volumes:
+      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
+      - ./theme:/theme:ro
+    depends_on:
+      - asciinema_backend
     labels:
       - 'traefik.enable=${ASCIINEMA_TRAEFIK_ENABLED}'
       # Main web interface - HTTP to HTTPS redirect
@@ -35,7 +46,7 @@ services:
       - 'traefik.http.middlewares.${ASCIINEMA_COMPOSE_PROJECT_NAME}-compress.compress=true'
       - 'traefik.http.routers.${ASCIINEMA_COMPOSE_PROJECT_NAME}-web-secure.middlewares=${ASCIINEMA_COMPOSE_PROJECT_NAME}-compress,security-headers@file'
       - 'traefik.http.routers.${ASCIINEMA_COMPOSE_PROJECT_NAME}-web-secure.service=${ASCIINEMA_COMPOSE_PROJECT_NAME}'
-      - 'traefik.http.services.${ASCIINEMA_COMPOSE_PROJECT_NAME}.loadbalancer.server.port=4000'
+      - 'traefik.http.services.${ASCIINEMA_COMPOSE_PROJECT_NAME}.loadbalancer.server.port=8080'
       # Admin interface - HTTP to HTTPS redirect
       - 'traefik.http.routers.${ASCIINEMA_COMPOSE_PROJECT_NAME}-admin-web.middlewares=${ASCIINEMA_COMPOSE_PROJECT_NAME}-redirect-web-secure'
       - 'traefik.http.routers.${ASCIINEMA_COMPOSE_PROJECT_NAME}-admin-web.rule=Host(`admin.${ASCIINEMA_TRAEFIK_HOST}`)'
@@ -48,7 +59,7 @@ services:
       - 'traefik.http.routers.${ASCIINEMA_COMPOSE_PROJECT_NAME}-admin-web-secure.entrypoints=web-secure'
       - 'traefik.http.routers.${ASCIINEMA_COMPOSE_PROJECT_NAME}-admin-web-secure.middlewares=${ASCIINEMA_COMPOSE_PROJECT_NAME}-auth,${ASCIINEMA_COMPOSE_PROJECT_NAME}-compress,security-headers@file'
       - 'traefik.http.routers.${ASCIINEMA_COMPOSE_PROJECT_NAME}-admin-web-secure.service=${ASCIINEMA_COMPOSE_PROJECT_NAME}-admin'
-      - 'traefik.http.services.${ASCIINEMA_COMPOSE_PROJECT_NAME}-admin.loadbalancer.server.port=4002'
+      - 'traefik.http.services.${ASCIINEMA_COMPOSE_PROJECT_NAME}-admin.loadbalancer.server.port=8080'
       # Network
       - 'traefik.docker.network=${NETWORK_NAME}'
       # Watchtower