notes.kaplon.us/Dockerfile

FROM node:12-alpine

EXPOSE 3000

RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app
RUN mkdir -p /usr/src/app/db
VOLUME ["/usr/src/app/db"]

RUN npm install -g nodemon
RUN apk --no-cache add vim git
COPY .vimrc /root/.vimrc

COPY package.json /usr/src/app/
COPY . /usr/src/app
RUN npm install

# To upgrade, in host CodeMirror dir, do `git pull` and `git checkout tags/###`.
# Running `npm run build` here to save a step.
RUN cd /usr/src/app/CodeMirror && npm run build

# Use nodemon to start app.
CMD [ "nodemon" ]