simplified docker builds

Dockerfile

@@ -1,20 +1,12 @@
-# +-+-+-+-+-+ +-+-+-+-+-+
-# |B|u|i|l|d| |S|t|a|g|e|
-# +-+-+-+-+-+ +-+-+-+-+-+
+# Build
 FROM node:lts-alpine as build-stage
 WORKDIR /app
 COPY package*.json ./
 RUN npm install
 COPY . .
 RUN npm run build
-# For testing purposes, it's easy to run http-server on lts-alpine such as continuing from here:
-#       RUN npm install -g http-server
-#       EXPOSE 8080
-#       CMD [ "http-server", "dist" ]
 
-# +-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+
-# |P|r|o|d|u|c|t|i|o|n| |S|t|a|g|e|
-# +-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+
+# Production stage
 FROM nginx:stable-alpine as production-stage
 COPY --from=build-stage /app/dist /usr/share/nginx/html
 EXPOSE 80