Make internal and host ports configurable via env vars

.env.example

@@ -10,5 +10,7 @@ PUBLIC_BASE_URL=http://127.0.0.1:5000
 BOOTH_NAME=Trollgorithm Theme Songs
 DATABASE=/app/data/booth.db
 UPLOAD_FOLDER=/app/uploads
+INTERNAL_PORT=8000
+HOST_PORT=127.0.0.1:8000
 PRICE_PER_VERSION=10.00
 CURRENCY=CAD

Dockerfile

@@ -17,6 +17,8 @@ ENV PYTHONUNBUFFERED=1
 RUN useradd -m -u 1000 boothuser && mkdir -p /app/data /app/uploads && chown -R boothuser:boothuser /app
 USER boothuser
 
+# Default internal port; override with INTERNAL_PORT env var
 EXPOSE 8000
 
-CMD ["gunicorn", "-b", "0.0.0.0:8000", "--access-logfile", "-", "app:app"]
+# Use shell form so environment variables are expanded at runtime
+CMD gunicorn -b 0.0.0.0:${INTERNAL_PORT:-8000} --access-logfile - app:app

README.md

@@ -39,13 +39,15 @@ The repo includes a `docker-compose.yml` that builds directly from GitLab, so Po
    - `ADMIN_PASSWORD`
    - `SMTP_PASS`
    - `PUBLIC_BASE_URL` (your HTTPS domain)
+   - `INTERNAL_PORT` (default `8000`) — port the container listens on
+   - `HOST_PORT` (default `127.0.0.1:8000`) — host-side mapping to avoid conflicts with other containers
    - `BOOTH_NAME` (optional)
 5. Deploy the stack.
 6. Open a console into the `booth` container and run once:
    ```bash
    python init_db.py
    ```
-7. Point your reverse proxy (Nginx Proxy Manager, Traefik, Caddy, etc.) at `http://host-ip:8000` on the chosen domain.
+7. Point your reverse proxy at the `HOST_PORT` you chose (e.g. `http://host-ip:8000`).
 8. Print the booth QR code pointing to `https://your-domain/request`.
 
 ### Portainer Notes

config.py

@@ -21,6 +21,9 @@ class Config:
     PUBLIC_BASE_URL = os.environ.get('PUBLIC_BASE_URL', 'http://127.0.0.1:5000')
     BOOTH_NAME = os.environ.get('BOOTH_NAME', 'Trollgorithm Theme Songs')
 
+    # Port the container listens on internally (gunicorn)
+    INTERNAL_PORT = int(os.environ.get('INTERNAL_PORT', '8000'))
+
     # Price settings (informational, for receipt page)
     PRICE_PER_VERSION = float(os.environ.get('PRICE_PER_VERSION', '10.00'))
     CURRENCY = os.environ.get('CURRENCY', 'CAD')

docker-compose.yml

@@ -1,15 +1,12 @@
 services:
   booth:
-    # Option A: use a pre-built image (push this from CI or build locally and tag)
-    # image: registry.gitlab.hallsworth.ca/yrtria/theme-song-booth:latest
-    # Option B: build directly from the GitLab repo in Portainer
     build:
       context: https://gitlab.hallsworth.ca/yrtria/theme-song-booth.git#main
     container_name: theme-song-booth
     restart: unless-stopped
     env_file: .env
     ports:
-      - "127.0.0.1:8000:8000"
+      - "${HOST_PORT:-127.0.0.1:8000}:${INTERNAL_PORT:-8000}"
     volumes:
       - booth-data:/app/data
       - booth-uploads:/app/uploads