Dockerfile

# (C) Copyright 2018 o2r project. https://o2r.info
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
FROM node:8-alpine

RUN apk add --no-cache \
    dumb-init \
  && rm -rf /var/cache

# App installation
WORKDIR /guestlister
COPY package.json package.json

RUN npm install --production

# Clean up
RUN rm -rf /var/cache

# Copy files after npm install to utilize build caching
COPY config config
COPY lib lib
COPY css css
COPY views views
COPY index.js index.js

RUN PACKAGE_VERSION=$(sed -nE 's/^\s*"version": "(.*?)",$/\1/p' package.json); \
  sed -i "s/@@VERSION@@/$PACKAGE_VERSION/g" views/login.ejs

# Metadata params provided with docker build command
ARG VERSION=dev
ARG VCS_URL
ARG VCS_REF
ARG BUILD_DATE

# Metadata http://label-schema.org/rc1/
LABEL maintainer="o2r-project <https://o2r.info>" \
  org.label-schema.vendor="o2r guestlister" \
  org.label-schema.url="https://o2r.info" \
  org.label-schema.name="o2r guestlister" \
  org.label-schema.description="offline login for o2r reference-implementation" \
  org.label-schema.version=$VERSION \
  org.label-schema.vcs-url=$VCS_URL \
  org.label-schema.vcs-ref=$VCS_REF \
  org.label-schema.build-date=$BUILD_DATE \
  org.label-schema.docker.schema-version="rc1"

ENTRYPOINT ["/usr/bin/dumb-init", "--"]
CMD ["npm", "start" ]