Dockerfile

FROM python:3.13-slim

ENV DEBIAN_FRONTEND=noninteractive
ENV TERM=linux

# Install distribution packages, with caching.
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
RUN \
    --mount=type=cache,id=apt,sharing=locked,target=/var/cache/apt \
    --mount=type=cache,id=apt,sharing=locked,target=/var/lib/apt \
    true \
    && apt-get update \
    && apt-get install --no-install-recommends --no-install-suggests --yes ffmpeg firefox-esr xauth xvfb

# Copy sources
COPY . /src

# Install package, with caching of dependency packages.
RUN \
    --mount=type=cache,id=pip,target=/root/.cache/pip \
    true \
    && pip install -e '/src'
ENV TINI_VERSION=v0.19.0
ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
RUN chmod +x /tini

# Run grafananimate through tini and xvfb-run.
ENTRYPOINT ["/tini", "--", "xvfb-run", "grafanimate"]