Created Dockerfile and updated ReadMe

.dockerignore

@@ -0,0 +1 @@
+node_modules/

Containerfile

@@ -0,0 +1,32 @@
+# Use the NODE_VERSION argument to specify the Node.js version
+ARG NODE_VERSION=20
+
+# Use the specified Node.js version as the base image
+FROM node:${NODE_VERSION}-alpine
+
+# Set Node args (do not set in node version 16 and below)
+ENV NODE_OPTIONS=--openssl-legacy-provider
+
+RUN apk add --update autoconf automake build-base libtool nasm pkgconf && \
+    rm -rf /var/cache/apk/*
+
+# Setup work directory
+WORKDIR /gitops-website
+
+# Set permissions for non-root user
+RUN chown -R node:node /gitops-website
+
+# Switch user to non-root
+USER node
+
+# Add repo files with correct user:group ownership
+ADD --chown=node:node . .
+
+# Install dependencies
+RUN npm ci
+
+# Expose port for server
+EXPOSE 8000
+
+# Create entrypoint
+ENTRYPOINT ["npm", "start"]

README.md

@@ -16,3 +16,15 @@ npm start
 yarn install
 yarn start
 ```
+
+**Docker setup**
+```shell
+# Build container image from local filesystem with default Node version
+docker build --no-cache -t website:<tag> -f Containerfile .
+
+# Build container image from local filesystem with Node version as build arg
+docker build --build-arg NODE_VERSION=19 --no-cache -t website:<tag> -f Containerfile .
+
+# Run container image with mapping port 80 on your computer
+docker run -dit -p 8000:8000 website:<tag>
+```

package.json

@@ -9,7 +9,7 @@
   ],
   "scripts": {
     "develop": "gatsby develop",
-    "start": "gatsby develop",
+    "start": "gatsby develop --host=0.0.0.0",
     "build": "gatsby build",
     "serve": "gatsby serve",
     "clean": "gatsby clean",
@@ -58,4 +58,4 @@
     "postcss": "^8.3.5",
     "tailwindcss": "^2.2.2"
   }
-}
+}