FROM alpine:3.7 RUN apk --update --no-cache add \ nodejs \ nodejs-npm RUN mkdir -p /usr/src/{app,bin,lib} WORKDIR /usr/src/app # only install production deps to keep image small COPY package.json /usr/src/app RUN npm install --production RUN apk del nodejs-npm COPY index.js /usr/src/app COPY bin/ /usr/src/app/bin COPY lib/ /usr/src/app/lib COPY docker-entrypoint.sh /docker-entrypoint.sh # env ENV DATABASE_HOST 127.0.0.1 ENV DATABASE_USER root ENV DATABASE_PASSWORD password ENV DATABASE_NAME sakila EXPOSE 80 ENTRYPOINT ["/docker-entrypoint.sh"]