Dockerfile

FROM griffinplus/nginx-php7.2
MAINTAINER Sascha Falk <sascha@falk-online.eu>

# Copy prepared files into the image
COPY target /

# download ans install the latest wordpress 4.x version
RUN /bin/bash -c \
    ' \
    WP_DEST_PATH="/var/www/html" && \
    WP_REPO_URL="https://github.com/WordPress/WordPress.git" && \
    RELEASE_VERSION_REGEX="[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}" && \
    WP_BRANCH=`git ls-remote --tags $WP_REPO_URL | grep -o "refs/tags/.*" | grep -o "$RELEASE_VERSION_REGEX" | sort -Vr | head -n1` && \
    echo "Downloading WordPress (version: $WP_BRANCH)" && \
    git clone --single-branch --branch $WP_BRANCH $WP_REPO_URL $WP_DEST_PATH && \
    rm -r $WP_DEST_PATH/.git && \
    chown -R www-data:www-data $WP_DEST_PATH \
    '

# keep the wordpress installation in a volume, so installed plugins survive container restarts
VOLUME [ "/var/www/html" ]