Dockerfile

FROM debian:bookworm as build

ENV DEBIAN_FRONTEND noninteractive

# Install dependencies
RUN set -eux \
    && DEBIAN_FRONTEND=noninteractive apt-get update \
    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends --no-install-suggests \
    supervisor \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* \
    && mkdir -p /var/log/supervisor

COPY rootfs /

ARG URL
ARG SOURCE
ARG BUILD_DATE
ARG AUTHORS
ARG VENDOR
ARG REVISION

# https://github.com/opencontainers/image-spec/blob/master/annotations.md
LABEL "org.opencontainers.image.title"="Supervisor"
LABEL "org.opencontainers.image.description"="Supervisor process control system for Unix"
LABEL "org.opencontainers.image.url"="$URL"
LABEL "org.opencontainers.image.source"="$SOURCE"
LABEL "org.opencontainers.image.version"="latest"
LABEL "org.opencontainers.image.revision"="$REVISION"
LABEL "org.opencontainers.image.licenses"="MIT"
LABEL "org.opencontainers.image.created"="$BUILD_DATE"
LABEL "org.opencontainers.image.authors"="$AUTHORS"
LABEL "org.opencontainers.image.vendor"="$VENDOR"
LABEL "org.opencontainers.image.base.name"="debian:bookworm"
LABEL "org.opencontainers.image.ref.name"="latest"

CMD ["/usr/bin/supervisord", "--nodaemon", "--configuration", "/etc/supervisor/supervisord.conf"]