add docker-compose

dockerfile → Dockerfile

-FROM node:12.16.1
+FROM node:erbium-alpine
+WORKDIR /usr/app
 
-WORKDIR /usr/src/app
 COPY package*.json ./
-RUN npm install
+
+RUN npm install \
+    && chown -R node:node node_modules \
+    && chmod -R o+rw node_modules
+
 EXPOSE 3333
 
 ENV DOCS_LOCATION=/usr/src/app/tempdocuments
-COPY . .
 ARG COMMAND
+
+USER node
 ENTRYPOINT [ "npm", "run" ]
 CMD [ "start" ]

docker-compose.yml

+version: "3"
+
+services:
+    huds:
+        image: helsinkifi/huds
+        build: .
+        container_name: huds
+        ports:
+            - "3333:3333"
+        volumes:
+            - ./src:/usr/app/src
+            - ./dist:/usr/app/dist
+            - ./www:/usr/app/www
+            - ./stencil.config.ts:/usr/app/stencil.config.ts
+            - ./tailwind.config.js:/usr/app/tailwind.config.js
+            - ./tsconfig.json:/usr/app/tsconfig.json
+            - ./watchdocs.js:/usr/app/watchdocs.js

readme.md

@@ -54,6 +54,14 @@ NOTE: Even when you have the documentation files in Vuepress, you'll need to man
 
 If you don't want or cannot install node and other dependencies, you can run the development setup locally in a container like this:
 
+`docker-compose up`
+
+Image can be rebuilt with `docker-compose build` if needed for example after a node package was added.
+
+CAVEAT: This doesn't solve running libraty with Vuepress and that use case requires vanilla docker way of running.
+
+### Vanilla docker way
+
 First build the container
 
 `docker build -t helsinkifi/huds .`
@@ -68,6 +76,3 @@ For example:
 
 `docker run -v ${PWD}:/usr/src/app -p 3333:3333 helsinkifi/huds build`
 
-TODO:
-
-It's pretty annoying to copy paste long docker commands, so perhaps docker-compose would fit here. Anyone?