Dockerfile

## Base ########################################################################
# Use a larger node image to do the build for native deps (e.g., gcc, python)
FROM node:lts as base

# Reduce npm log spam and colour during install within Docker
ENV NPM_CONFIG_LOGLEVEL=warn
ENV NPM_CONFIG_COLOR=false

# We'll run the app as the `node` user, so put it in their home directory
WORKDIR /app
# Copy the source code over
COPY --chown=node:node . /app

## Production ##################################################################
FROM base as production
WORKDIR /app

# Install (not ci) with dependencies, and for Linux vs. Linux Musl (which we use for -alpine)
RUN npm install
# Build the Docusaurus app
RUN npm run build

## Deploy ######################################################################
# Use a stable nginx image
FROM nginx:stable-alpine as deploy
WORKDIR /app
# Copy what we've installed/built from production
COPY --from=production /app/build /usr/share/nginx/html/