FROM alpine:latest
 
ARG PRODUCT
ARG VERSION

RUN ARCH=$(uname -m) && \
    if [ "$ARCH" = "x86_64" ]; then \
      ARCH="amd64"; \
    elif [ "$ARCH" = "aarch64" ]; then \
      ARCH="${ARCH}"; \
    fi

RUN echo ${ARCH}

RUN apk add --no-cache git npm bash
 
RUN apk add --update --virtual .deps --no-cache gnupg && \
    cd /tmp && \
    wget https://releases.hashicorp.com/${PRODUCT}/${VERSION}/${PRODUCT}_${VERSION}_linux_${ARCH}.zip && \
    wget https://releases.hashicorp.com/${PRODUCT}/${VERSION}/${PRODUCT}_${VERSION}_SHA256SUMS && \
    wget https://releases.hashicorp.com/${PRODUCT}/${VERSION}/${PRODUCT}_${VERSION}_SHA256SUMS.sig && \
    wget -qO- https://www.hashicorp.com/.well-known/pgp-key.txt | gpg --import && \
    gpg --verify ${PRODUCT}_${VERSION}_SHA256SUMS.sig ${PRODUCT}_${VERSION}_SHA256SUMS && \
    grep ${PRODUCT}_${VERSION}_linux_${ARCH}.zip ${PRODUCT}_${VERSION}_SHA256SUMS | sha256sum -c && \
    unzip /tmp/${PRODUCT}_${VERSION}_linux_${ARCH}.zip -d /tmp && \
    mv /tmp/${PRODUCT} /usr/local/bin/${PRODUCT} && \
    rm -f /tmp/${PRODUCT}_${VERSION}_linux_${ARCH}.zip ${PRODUCT}_${VERSION}_SHA256SUMS ${VERSION}/${PRODUCT}_${VERSION}_SHA256SUMS.sig && \
    apk del .deps