*: Dockerfiles cleanup, docker-compose.prod.yaml

New docker-compose.prod.yaml should provide a production-ish deployment
of WorkAdventure

front/Dockerfile

@@ -1,15 +1,28 @@
-FROM thecodingmachine/workadventure-back-base:latest as builder
-WORKDIR /var/www/messages
-COPY --chown=docker:docker messages .
+# protobuf build
+FROM node:14.15.4-buster-slim@sha256:cbae886186467bbfd274b82a234a1cdfbbd31201c2a6ee63a6893eefcf3c6e76 as builder
+WORKDIR /usr/src
+COPY messages .
 RUN yarn install && yarn proto
 
-# we are rebuilding on each deploy to cope with the API_URL environment URL
-FROM thecodingmachine/nodejs:14-apache
-
-COPY --chown=docker:docker front .
-COPY --from=builder --chown=docker:docker /var/www/messages/generated /var/www/html/src/Messages/generated
+# webpack build
+FROM node:14.15.4-buster-slim@sha256:cbae886186467bbfd274b82a234a1cdfbbd31201c2a6ee63a6893eefcf3c6e76 as builder2
+WORKDIR /usr/src
+COPY front/yarn.lock front/package.json ./
 RUN yarn install
 
+COPY front .
+COPY --from=builder /usr/src/generated src/Messages/generated
 ENV NODE_ENV=production
-ENV STARTUP_COMMAND_1="yarn run build"
-ENV APACHE_DOCUMENT_ROOT=dist/
+
+ARG BASE_DOMAIN=workadventure.localhost
+ARG API_URL=pusher.$BASE_DOMAIN
+ARG UPLOADER_URL=uploader.$BASE_DOMAIN
+ARG ADMIN_URL=admin.$BASE_DOMAIN
+
+RUN API_URL=$API_URL UPLOADER_URL=$UPLOADER_URL ADMIN_URL=$ADMIN_URL \
+    yarn run build
+
+# final production image
+FROM nginx:1.19.6-alpine@sha256:01747306a7247dbe928db991eab42e4002118bf636dd85b4ffea05dd907e5b66
+COPY front/nginx-vhost.conf /etc/nginx/conf.d/default.conf
+COPY --from=builder2 /usr/src/dist /usr/share/nginx/html