Dockerfile

FROM alpine:3.6
MAINTAINER Abner G Jacobsen - http://daspanel.com <admin@daspanel.com>

# Parse Daspanel common arguments for the build command.
ARG VERSION
ARG VCS_URL
ARG VCS_REF
ARG BUILD_DATE
ARG S6_OVERLAY_VERSION=v1.19.1.1
ARG DASPANEL_IMG_NAME=redis
ARG DASPANEL_OS_VERSION=alpine3.6

# Set default env variables
ENV \
    # Stop container initialization if error occurs in cont-init.d, fix-attrs.d script's
    S6_BEHAVIOUR_IF_STAGE2_FAILS=2 \

    # Timezone
    TZ="UTC" \

    # DASPANEL defaults
    DASPANEL_WAIT_FOR_API="YES" \

    # Redis
    REDIS_VERSION="3.2.8"

# A little bit of metadata management.
# See http://label-schema.org/  
LABEL org.label-schema.schema-version="1.0" \
      org.label-schema.build-date=$BUILD_DATE \
      org.label-schema.version=$VERSION \
      org.label-schema.vcs-url=$VCS_URL \
      org.label-schema.vcs-ref=$VCS_REF \
      org.label-schema.name="daspanel/redis" \
      org.label-schema.description="This service provides REDIS server to Daspanel sites."

# Inject files in container file system
COPY rootfs /

RUN set -x \

    # Initial OS bootstrap - required
    && sh /opt/daspanel/bootstrap/${DASPANEL_OS_VERSION}/00_base \

    # Install Daspanel base - common layer for all container's independent of the OS and init system
    && wget -O /tmp/opt-daspanel.zip "https://github.com/daspanel/rootfs-base/releases/download/0.1.0/opt-daspanel.zip" \
    && unzip -o -d / /tmp/opt-daspanel.zip \

    # Install Daspanel bootstrap for Alpine Linux with S6 Overlay Init system
    && wget -O /tmp/alpine-s6.zip "https://github.com/daspanel/rootfs-base/releases/download/0.1.0/alpine-s6.zip" \
    && unzip -o -d / /tmp/alpine-s6.zip \

    # Bootstrap the system (TBD)

    # Install s6 overlay init system
    && wget https://github.com/just-containers/s6-overlay/releases/download/$S6_OVERLAY_VERSION/s6-overlay-amd64.tar.gz --no-check-certificate -O /tmp/s6-overlay.tar.gz \
    && tar xvfz /tmp/s6-overlay.tar.gz -C / \
    && rm -f /tmp/s6-overlay.tar.gz \

    # Install build environment packages
    && sh /opt/daspanel/bootstrap/${DASPANEL_OS_VERSION}/${DASPANEL_IMG_NAME}/00_buildenv \

    # Install redis Redis
    && wget -O redis.tar.gz http://download.redis.io/releases/redis-$REDIS_VERSION.tar.gz \
    && mkdir -p /usr/src/redis \
    && tar -xzf redis.tar.gz -C /usr/src/redis --strip-components=1 \
    && rm redis.tar.gz \
    # Disable Redis protected mode [1] as it is unnecessary in context
    # of Docker. Ports are not automatically exposed when running inside
    # Docker, but rather explicitely by specifying -p / -P.
    && grep -q '^#define CONFIG_DEFAULT_PROTECTED_MODE 1$' /usr/src/redis/src/server.h \
    && sed -ri 's!^(#define CONFIG_DEFAULT_PROTECTED_MODE) 1$!\1 0!' /usr/src/redis/src/server.h \
    && grep -q '^#define CONFIG_DEFAULT_PROTECTED_MODE 0$' /usr/src/redis/src/server.h \
    && make -C /usr/src/redis \
    && make -C /usr/src/redis install \
    && rm -r /usr/src/redis \

    # Remove build environment packages
    && sh /opt/daspanel/bootstrap/${DASPANEL_OS_VERSION}/${DASPANEL_IMG_NAME}/09_cleanbuildenv \

    # Cleanup
    && rm -rf /tmp/* \
    && rm -rf /var/cache/apk/*

# Let's S6 control the init system
ENTRYPOINT ["/init"]
CMD []

# Expose ports for the service
EXPOSE 6379