Build and run api locally similarly to prod

Unify api Dockerfile. There is no production Dockerfile (in prod this runs in a buildpack) so unify and simplify on one that matches the GitHub Action build process.

Don't mount local source code into the container.

api/Dockerfile

@@ -2,14 +2,16 @@ FROM node:14.21.3-alpine
 
 WORKDIR /app
 
-COPY package.json .
-COPY package-lock.json .
+COPY package*.json .
 
-RUN npm install
+RUN npm ci
 
-COPY . ./app
+COPY . .
+
+# npm build:assets (invoked by build) expects src/client to exist, so create it.
+RUN mkdir -p src/client
+RUN npm run build
 
-ENV PORT=9000
 EXPOSE 9000
 
-CMD ["npm", "start"]
+CMD ["node", "./build/server.js"]

docker-compose.yml

@@ -1,22 +1,16 @@
-version: "3.7"
-
 services:
   api:
     container_name: api
     build:
       context: api
-      dockerfile: Dockerfile.compose
+      dockerfile: Dockerfile
     environment:
       - POSTGRES_URI=postgres://docker_pg_user:docker_pg_pw@db:5432/docker_db
       - POSTGRES_DISABLE_SSL=true
       - NODE_ENV=docker
       - PORT=9000
       - APP_ENV=docker
       - ADMIN_TOKEN=admin
-    volumes:
-      - ./api:/opt/node_app/app
-      - ./db:/opt/node_app/db
-      - /opt/node_app/app/node_modules
     ports:
       - 9000:9000
       - 9229:9229
@@ -35,9 +29,6 @@ services:
       - REACT_APP_ENV=docker
       - CHOKIDAR_USEPOLLING=true
       - PORT=8000
-    volumes:
-      - /opt/react_app/node_modules
-      - ./frontend:/opt/react_app
     ports:
       - 8000:8000
     expose: