Dockerfile

# multi stage dockerfile
# it defines three different images
# 1. mumble-web
# 2. mumble-web with nginx
# 3. websockfiy as web socket


# mumble-web base image
FROM alpine:edge AS mumble-web
LABEL maintainer="Armin Co <armin.co@hs-bochum.de"
# copy mumble-web repository into docker image
COPY ./mumble-web /home/node
# install deps for building mumble web
RUN apk add --no-cache \
        git \
        nodejs \
        npm \
        && \
    adduser -D -g 1001 -u 1001 -h /home/node node && \
    mkdir -p /home/node && \
    mkdir -p /home/node/.npm-global && \
    mkdir -p /home/node/app  && \
    chown -R node: /home/node 
USER node
ENV PATH=/home/node/.npm-global/bin:$PATH
ENV NPM_CONFIG_PREFIX=/home/node/.npm-global
RUN cd /home/node   && \
    npm install     && \
    npm run build   && \
    npm audit fix   && \
    npm audit


# add nginx as webserver to mumble web
FROM nginx:alpine AS mumble-web-nginx
USER root
COPY --from=mumble-web /home/node/dist /home/node/dist
RUN apk add --no-cache nginx && \
    adduser -D -g 'www' www && \
    mkdir /data
EXPOSE 443


# websockify
FROM alpine:edge AS websockify
RUN echo http://nl.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositories && \
    apk add --no-cache websockify 
EXPOSE 64737