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FROM quay.io/ansible/molecule:2.20
ARG USER_ID
ARG GROUP_ID
ARG DOCKER_GROUP_ID
ARG DOCKER_USER
# When user/group provided, create user to have matching ids (for the host user)
# to avoid this docker writing files as root owned
RUN if [ ${USER_ID:-0} -ne 0 ] && [ ${GROUP_ID:-0} -ne 0 ]; then \
# shadow needed for addgroup
# sshpass needed for accessing docker_host (localhost) with ssh and without password prompt
apk --no-cache add shadow sshpass && \
addgroup -g ${GROUP_ID} ${DOCKER_USER} && \
adduser -D -u ${USER_ID} -G ${DOCKER_USER} ${DOCKER_USER} && \
# Add user to same docker group as in docker_host to be able to use docker driver as sudo
groupadd docker-host -f -g ${DOCKER_GROUP_ID} && \
usermod -aG ${DOCKER_GROUP_ID} ${DOCKER_USER} \
;fi
USER ${DOCKER_USER}
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