FROM alpine:3.18.2

#LABEL build_version=""
LABEL maintainer="OCram85"
ARG VERSION
LABEL build_version="${VERSION}"
LABEL org.opencontainers.image.authors="OCram85"
LABEL org.opencontainers.image.vendor="OCram85"

LABEL org.opencontainers.image.title="swarmproxy"
LABEL org.opencontainers.image.description="tinyproxy docker image"
LABEL org.opencontainers.image.licenses="AGPL-3.0"
ARG TAG
LABEL org.opencontainers.image.version="${TAG}"

LABEL org.opencontainers.image.url="https://gitea.ocram85.com/OCram85/swarmproxy"
LABEL org.opencontainers.image.source="https://gitea.ocram85.com/OCram85/swarmproxy.git"
LABEL org.opencontainers.image.documentation="https://gitea.ocram85.com/OCram85/swarmproxy"

# Use a custom UID/GID instead of the default system UID which has a greater possibility
# for collisions with the host and other containers.
ENV TINYPROXY_UID 5123
ENV TINYPROXY_GID 5123

ENV UPSTREAM_PROXY ""
ENV UPSTREAM_PROXY_FILE ""
ENV PORT "8888"
ENV TIMEOUT "600"
ENV LOGLEVEL "Info"
ENV MAXCLIENTS "600"
ENV FILTER_FILE "/etc/tinyproxy/filter"

# Curl is for healthchecks.
RUN apk add --no-cache \
      tinyproxy curl

RUN mv /etc/tinyproxy/tinyproxy.conf /etc/tinyproxy/tinyproxy.default.conf && \
  touch /etc/tinyproxy/tinyproxy.conf

COPY entrypoint.sh /swarmproxy/entrypoint.sh
WORKDIR /swarmproxy

RUN chown -R ${TINYPROXY_UID}:${TINYPROXY_GID} /etc/tinyproxy /var/log/tinyproxy /swarmproxy && \
  chmod +x /swarmproxy/entrypoint.sh

USER ${TINYPROXY_UID}:${TINYPROXY_GID}

EXPOSE 8888

ENTRYPOINT ["/swarmproxy/entrypoint.sh"]
CMD ["-d"]