Dockerfile

# Download and verify file
# Args: $DOWNLOAD_URI, $REFRESH_TOKEN, $SHA256
FROM ubuntu:bionic AS retrieve

RUN apt-get update && apt-get install --no-install-recommends -y \
    ca-certificates \
    curl \
    jq \
 && rm -rf /var/lib/apt/lists/*

ARG REFRESH_TOKEN
RUN curl -sSL -X POST \
    https://network.pivotal.io/api/v2/authentication/access_tokens \
    -d "{ \"refresh_token\": \"${REFRESH_TOKEN}\" }" \
    | jq -r .access_token \
    > access_token

ARG DOWNLOAD_URI
RUN curl -L \
    -H "Authorization: Bearer $(cat access_token)" \
    $DOWNLOAD_URI \
    > download.tar.gz

ARG SHA256
RUN echo "${SHA256} download.tar.gz" > sha256sums \
 && sha256sum -c sha256sums 2>&1 | grep OK

# Install File
FROM ubuntu:bionic

ENV JAVA_HOME /opt/openjdk
ENV PATH $JAVA_HOME/bin:$PATH

COPY --from=retrieve download.tar.gz /tmp/download.tar.gz

RUN mkdir -p /opt/openjdk \
 && cd /opt/openjdk \
 && tar xzf /tmp/download.tar.gz --strip-components=1 \
 && rm /tmp/download.tar.gz