FROM alpine:edge as base
RUN ["apk", "add", "--no-cache", "py3-virtualenv"]
RUN ["mkdir", "-p", "/app/version"]
COPY ["tv.json", "/app/setup/tv.json"]
COPY ["backend/start.sh", "/app/start.sh"]
COPY ["backend/install.sh", "/app/setup/install.sh"]
COPY ["backend/sources.py", "/app/setup/sources.py"]
COPY ["backend/stream.py", "/app/stream.py"]
COPY ["backend/stream_providers.py", "/app/stream_providers.py"]
COPY ["frontend/index.html", "/app/index.html"]
COPY ["frontend/script.js", "/app/script.js"]
COPY ["frontend/style.css", "/app/style.css"]
RUN ["chmod", "-R", "755", "/app"]

FROM base as sources
RUN ["apk", "add", "--no-cache", "py3-requests"]
RUN ["python3", "/app/setup/sources.py"]
RUN ["rm", "-r", "/app/setup"]

FROM base as venv
RUN ["apk", "add", "--no-cache", "musl-dev", "build-base", "python3-dev"]
RUN ["/app/setup/install.sh"]
RUN ["rm", "-r", "/app/setup"]

FROM scratch
COPY --from=sources / /
COPY --from=venv /app/venv /app/venv
USER 1444:1444
ENV ICECAST_SERVER=https://icecast.purser.it:7000
ENV STREAM_SERVER=https://stream.purser.it
ENTRYPOINT ["/app/start.sh"]