feat: added Docker recipe for building + running the homepage

[bodom0015]

Problem

For consistency in deployment, we could create a Docker image for the project homepage

Approach

• feat: added a two-stage Dockerfile to build + run the application
  • Stage 1 (build) - uses a NodeJS image to compile app source code
  • Stage 2 (runtime) - copies compiled artifacts into an alpine-based NGINX instance, served on port 80
• feat: added a Docker Compose file to simplify the commands needed to run the image
  • docker compose up -d --build can be used to build + run the app in one step

How to Test

1. Checkout and run this branch locally
2. Build the image: docker compose build
   • NOTE: this is a shorthand for running docker build -t herop/sdoh-homepage .
3. Run the image: docker compose up -d
   • NOTE: this is a shorthand for running docker run -it -p 8080:80 --name sdoh-homepage herop/sdoh-homepage
4. Navigate your browser to port 8080 to view the SDOH Homepage
   • This port can be easily mapped/overridden at runtime
5. Shutdown the container: docker compose down
   • NOTE: this is a shorthand for running docker rm -f sdoh-homepage

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