ARG ARCH_REPO=arm64v8

# production environment
FROM $ARCH_REPO/alpine:3.14

ARG UID=991
ARG GID=991

ENV \
 ARCH_REPO=${ARCH_REPO} \
 UID=${UID} \
 GID=${GID}

RUN \
 addgroup -g "${GID}" app && \
 adduser -D -G app -u "${UID}" -g "" -h /opt/app app && \
 apk add tini

WORKDIR /opt/app
USER app
ENTRYPOINT ["/sbin/tini", "--"]
CMD /bin/sh