Add deployment with docker

Dockerfile

@@ -0,0 +1,52 @@
+## 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=error
+ENV NPM_CONFIG_COLOR=false
+
+# We'll run the app as the `node` user, so put it in their home directory
+WORKDIR /home/node/app
+
+RUN chown -R node:node /home/node
+
+# Copy the source code over
+COPY --chown=node:node . /home/node/app/
+
+## Development #################################################################
+
+# Define a development target that installs devDeps and runs in dev mode
+FROM base as development
+WORKDIR /home/node/app
+
+# Install (not ci) with dependencies, and for Linux vs. Linux Musl (which we use for -alpine)
+RUN npm install
+
+# Switch to the node user vs. root
+USER node
+
+# Expose port 3000
+EXPOSE 3000
+
+# Start the app in debug mode so we can attach the debugger
+CMD ["npm", "start"]
+
+## Production ##################################################################
+# Also define a production target which doesn't use devDeps
+FROM base as production
+WORKDIR /home/node/app
+COPY --chown=node:node --from=development /home/node/app/node_modules /home/node/app/node_modules
+
+# Build the Docusaurus app
+RUN npm run build
+
+## Deploy ######################################################################
+
+# Use a stable nginx image
+FROM nginx:stable-alpine as deploy
+WORKDIR /home/node/app
+
+# Copy what we've installed/built from production
+COPY  --from=production /home/node/app/build /usr/share/nginx/html/

README.md

@@ -26,7 +26,22 @@ $ npm run build
 ```
 
 ## Deployment using Docker
-TODO
+
+### Development
+
+Build docker container for development and run on port 3000:
+```
+docker build --target development -t docs:dev .
+sudo docker run -d -p 3000:3000 docs:dev
+```
+
+### Production
+
+Build docker container for production and run on port 80:
+```
+docker build -t docs:latest .
+docker run -d -p 80:80 docs:latest
+```
 
 ## Documentation versioning 
 The versioning documentation of Docusaurus can be found [here](https://docusaurus.io/docs/versioning).