FROM alpine:3.6
LABEL authors="Anubhav Mishra, Luke Kysow"

# create atlantis user
RUN addgroup atlantis && \
    adduser -S -G atlantis atlantis

ENV ATLANTIS_HOME_DIR=/home/atlantis

# install atlantis dependencies
ENV DUMB_INIT_VERSION=1.2.0
ENV GOSU_VERSION=1.10
RUN apk add --no-cache ca-certificates gnupg curl git unzip bash openssh libcap openssl && \
    wget -O /bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v${DUMB_INIT_VERSION}/dumb-init_${DUMB_INIT_VERSION}_amd64 && \
    chmod +x /bin/dumb-init && \
    mkdir -p /tmp/build && \
    cd /tmp/build && \
    wget -O gosu "https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-amd64" && \
    wget -O gosu.asc "https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-amd64.asc" && \
    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 && \
    gpg --batch --verify gosu.asc gosu && \
    chmod +x gosu && \
    cp gosu /bin && \
        cd /tmp && \
        rm -rf /tmp/build && \
        apk del gnupg openssl && \
        rm -rf /root/.gnupg && rm -rf /var/cache/apk/*

# install terraform binaries
ENV DEFAULT_TERRAFORM_VERSION=0.11.3

# In the official Atlantis image we only have the latest of each Terrafrom version.
RUN AVAILABLE_TERRAFORM_VERSIONS="0.8.8 0.9.11 0.10.8 ${DEFAULT_TERRAFORM_VERSION}" && \
    for VERSION in ${AVAILABLE_TERRAFORM_VERSIONS}; do curl -LOk https://releases.hashicorp.com/terraform/${VERSION}/terraform_${VERSION}_linux_amd64.zip && \
    mkdir -p /usr/local/bin/tf/versions/${VERSION} && \
    unzip terraform_${VERSION}_linux_amd64.zip -d /usr/local/bin/tf/versions/${VERSION} && \
    ln -s /usr/local/bin/tf/versions/${VERSION}/terraform /usr/local/bin/terraform${VERSION};rm terraform_${VERSION}_linux_amd64.zip;done && \
    ln -s /usr/local/bin/tf/versions/${DEFAULT_TERRAFORM_VERSION}/terraform /usr/local/bin/terraform

# copy binary
COPY atlantis /usr/local/bin/atlantis

# copy docker entrypoint
COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh

ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["server"]