v_2

Dockerfile

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+# Camera Station — a self-hosted viewer and recorder for MJPEG and RTSP cameras.
+#
+#   docker compose up -d
+#
+# Everything the service produces (recordings, photos, cameras.json) is written
+# to /data, which docker-compose.yml maps to ./data on the host so it survives
+# the container being rebuilt.
+
+FROM python:3.12-slim
+
+# ffmpeg is the only real dependency, and only RTSP cameras need it.
+# tini gives the container a real init process, so stopping it delivers a clean
+# signal and ffmpeg closes the segment it is writing instead of losing it.
+# tzdata matters more than it looks: filenames are stamped with local time, and
+# without it the TZ setting is ignored and everything is named in UTC.
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends ffmpeg tini tzdata \
+ && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY server.py index.html config.html library.html ./
+
+ENV CAMERA_STATION_DATA=/data \
+    PYTHONUNBUFFERED=1
+VOLUME ["/data"]
+EXPOSE 8000
+
+# Report unhealthy if the camera list stops answering.
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD python3 -c "import urllib.request,sys; sys.exit(0 if urllib.request.urlopen('http://127.0.0.1:8000/cameras', timeout=4).status==200 else 1)"
+
+ENTRYPOINT ["/usr/bin/tini", "--"]
+CMD ["python3", "server.py", "--host", "0.0.0.0", "--port", "8000"]