Dockerfile

FROM alpine:3.17.3
MAINTAINER Ryan Schlesinger <ryan@outstand.com>

# USAGE
# $ docker build -t nfs-client .
# $ docker run -it --privileged=true --net=host -v /mnt/nfs-1 -e SERVER=192.168.0.9 -e SHARE=movies nfs-client
#    or detached:
#       $ docker run -itd --privileged=true --net=host -v /mnt/nfs-1 -e SERVER=192.168.0.9 -e SHARE=movies nfs-client
#    or with some more options:
#       $ docker run -itd \
#             --name nfs-vols \
#             --restart=always \
#             --privileged=true \
#             --net=host \
#             -v /:/mnt/host \
#             -e SERVER=192.168.0.9 \
#             -e SHARE=movies \
#             -e MOUNT_OPTIONS="nfsvers=3,ro" \
#             -e FSTYPE=nfs \
#             -e MOUNTPOINT=/mnt/host \
#                nfs-client

ENV DUMB_INIT_VERSION 1.2.0

RUN apk add --no-cache curl ca-certificates && \
    mkdir -p /tmp/build && \
    cd /tmp/build && \
    curl -O -L https://github.com/Yelp/dumb-init/releases/download/v${DUMB_INIT_VERSION}/dumb-init_${DUMB_INIT_VERSION}_amd64 && \
    curl -O -L https://github.com/Yelp/dumb-init/releases/download/v${DUMB_INIT_VERSION}/sha256sums && \
    grep dumb-init_${DUMB_INIT_VERSION}_amd64$ sha256sums | sha256sum -c && \
    chmod +x dumb-init_${DUMB_INIT_VERSION}_amd64 && \
    cp dumb-init_${DUMB_INIT_VERSION}_amd64 /bin/dumb-init && \
    ln -s /bin/dumb-init /usr/bin/dumb-init && \
    cd /tmp && \
    rm -rf /tmp/build && \
    apk del curl

ENV FSTYPE nfs4
ENV MOUNT_OPTIONS nfsvers=4
ENV MOUNTPOINT /mnt/nfs-1

RUN apk add --no-cache --update nfs-utils && \
    rm /sbin/halt /sbin/poweroff /sbin/reboot

HEALTHCHECK --interval=1s --timeout=5s --start-period=60s  \
    CMD mount -t nfs | grep "$SERVER:$SHARE" || exit 1

COPY docker-entrypoint.sh /docker-entrypoint.sh
ENTRYPOINT ["/docker-entrypoint.sh"]