content: # syntax=docker/dockerfile:labs
  
  # 0. Prepare images
  ARG PYTHON_VERSION="3.13-slim-bookworm"
  ARG GO_VERSION="1.25-bookworm"
  
  
  # 1. Build go2rtc binary
  FROM --platform=$BUILDPLATFORM golang:${GO_VERSION} AS build
  ARG TARGETPLATFORM
  ARG TARGETOS
  ARG TARGETARCH
  
  ENV GOOS=${TARGETOS}
  ENV GOARCH=${TARGETARCH}
  
  WORKDIR /build
  
  # Cache dependencies
  COPY go.mod go.sum ./
  RUN --mount=type=cache,target=/root/.cache/go-build go mod download
  
  COPY . .
  RUN --mount=type=cache,target=/root/.cache/go-build CGO_ENABLED=0 go build -ldflags "-s -w" -trimpath
  
  
  # 2. Final image
  FROM python:${PYTHON_VERSION}
  
  # Prepare apt for buildkit cache
  RUN rm -f /etc/apt/apt.conf.d/docker-clean \
    && echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' >/etc/apt/apt.conf.d/keep-cache
  
  # Install ffmpeg, tini (for signal handling),
  # and other common tools for the echo source.
  # libasound2-plugins for ALSA support
  RUN --mount=type=cache,target=/var/cache/apt,sharing=locked --mount=type=cache,target=/var/lib/apt,sharing=locked \
      apt-get -y update && apt-get -y install tini \
          curl jq \
          libasound2-plugins && \
      apt-get clean && rm -rf /var/lib/apt/lists/*
  
  COPY --from=build /build/go2rtc /usr/local/bin/
  ADD --chmod=755 https://github.com/MarcA711/Rockchip-FFmpeg-Builds/releases/download/6.1-8-no_extra_dump/ffmpeg /usr/local/bin
  
  ENTRYPOINT ["/usr/bin/tini", "--"]
  VOLUME /config
  WORKDIR /config
  
  CMD ["go2rtc", "-config", "/config/go2rtc.yaml"]
  