feat: container-ports per env (BACKEND_PORT/FRONTEND_PORT) + host-ports

.env.example

@@ -7,5 +7,9 @@ DOWNLOAD_DIR=~/StreamripDownloads
 UID=1000
 GID=1000
 
-# Backend-Ziel für den Frontend-Rewrite (Compose-Netzwerk)
-BACKEND_URL=http://backend:8000
+# Ports: HOST = dein Rechner (linke Seite), ohne HOST = innen (rechte Seite).
+# Beispiel: BACKEND_HOST_PORT=8333 -> API unter http://localhost:8333
+BACKEND_HOST_PORT=8000
+BACKEND_PORT=8000
+FRONTEND_HOST_PORT=3002
+FRONTEND_PORT=3000

README.md

@@ -56,9 +56,16 @@ CONFIG_DIR=~/.config/streamrip   # config.toml + streamrip-DBs -> /config
 DOWNLOAD_DIR=~/StreamripDownloads # Downloads -> /downloads
 UID=1000                          # Besitzer der Dateien im Container
 GID=1000
-BACKEND_URL=http://backend:8000   # internes API-Ziel fürs Frontend
+BACKEND_HOST_PORT=8000            # API auf deinem Rechner (linke Seite)
+BACKEND_PORT=8000                 # API im Container (rechte Seite)
+FRONTEND_HOST_PORT=3002           # UI auf deinem Rechner
+FRONTEND_PORT=3000                # UI im Container
 ```
 
+Beispiel: `BACKEND_HOST_PORT=8333` → API unter `http://localhost:8333` (innen unverändert).
+`BACKEND_PORT=8334` stellt zusätzlich den Container-Port um — `BACKEND_URL` und
+Healthchecks folgen automatisch, nur diese eine Variable ist nötig.
+
 Compose-Auszug (komplett in `docker-compose.yml`):
 
 ```yaml
@@ -70,19 +77,20 @@ services:
         UID: ${UID:-1000}
         GID: ${GID:-1000}
     ports:
-      - "8000:8000"
+      - "${BACKEND_HOST_PORT:-8000}:${BACKEND_PORT:-8000}"
     environment:
       - STREAMRIP_CONFIG=/config/config.toml
       - STREAMRIP_DOWNLOAD_DIR=/downloads
+      - BACKEND_PORT=${BACKEND_PORT:-8000}
     volumes:
       - ${CONFIG_DIR:-~/.config/streamrip}:/config
       - ${DOWNLOAD_DIR:-~/StreamripDownloads}:/downloads
   frontend:
     build: ./frontend
     ports:
-      - "3002:3000"
+      - "${FRONTEND_HOST_PORT:-3002}:${FRONTEND_PORT:-3000}"
     environment:
-      - BACKEND_URL=${BACKEND_URL:-http://backend:8000}
+      - BACKEND_URL=http://backend:${BACKEND_PORT:-8000}
     depends_on:
       - backend
 ```

backend/Dockerfile

@@ -6,7 +6,8 @@ ARG GID=1000
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     STREAMRIP_CONFIG=/config/config.toml \
-    STREAMRIP_DOWNLOAD_DIR=/downloads
+    STREAMRIP_DOWNLOAD_DIR=/downloads \
+    BACKEND_PORT=8000
 
 RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg git \
     && rm -rf /var/lib/apt/lists/* \
@@ -24,5 +25,5 @@ USER appuser
 
 EXPOSE 8000
 HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
-    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/api/health')"
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+    CMD python -c "import os, urllib.request; urllib.request.urlopen(f'http://localhost:{os.environ.get(\"BACKEND_PORT\", \"8000\")}/api/health')"
+CMD uvicorn app.main:app --host 0.0.0.0 --port ${BACKEND_PORT:-8000}

docker-compose.yml

@@ -6,20 +6,21 @@ services:
         UID: ${UID:-1000}
         GID: ${GID:-1000}
     ports:
-      - "8000:8000"
+      - "${BACKEND_HOST_PORT:-8000}:${BACKEND_PORT:-8000}"
     environment:
       - STREAMRIP_CONFIG=/config/config.toml
       - STREAMRIP_DOWNLOAD_DIR=/downloads
+      - BACKEND_PORT=${BACKEND_PORT:-8000}
     volumes:
       - ${CONFIG_DIR:-~/.config/streamrip}:/config
       - ${DOWNLOAD_DIR:-~/StreamripDownloads}:/downloads
   frontend:
     build: ./frontend
     ports:
-      - "3002:3000"
+      - "${FRONTEND_HOST_PORT:-3002}:${FRONTEND_PORT:-3000}"
     environment:
-      - BACKEND_URL=${BACKEND_URL:-http://backend:8000}
+      - BACKEND_URL=http://backend:${BACKEND_PORT:-8000}
       - HOSTNAME=0.0.0.0
-      - PORT=3000
+      - PORT=${FRONTEND_PORT:-3000}
     depends_on:
       - backend

frontend/Dockerfile

@@ -17,5 +17,5 @@ USER node
 
 EXPOSE 3000
 HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
-    CMD wget -q -O /dev/null http://127.0.0.1:3000/ || exit 1
+    CMD wget -q -O /dev/null http://127.0.0.1:${PORT:-3000}/ || exit 1
 CMD ["node", "server.js"]