Add API service to Docker (#338)

Builds a live reloading instance of the api service for development. You
will need to build the java code (`./gradlew build`) but then the server
will pick up the changes.

backend/dev-dockerfile

@@ -0,0 +1,4 @@
+FROM amazoncorretto:17
+ENV HOME=/app
+RUN mkdir -p $HOME
+WORKDIR $HOME

backend/src/main/resources/application.yaml

@@ -1,8 +1,8 @@
 spring:
   datasource:
-    url: jdbc:postgresql://localhost:5432/reportvision
-    username: postgres
-    password: super_secret_password
+    url: jdbc:postgresql://${DB_HOST:localhost}:${DB_PORT:5432}/${DB_NAME:reportvision}
+    username: ${DB_USERNAME:postgres}
+    password: ${DB_PASSWORD:super_secret_password}
   devtools:
     restart:
       enabled: true
@@ -20,4 +20,4 @@ management:
         include: "*"
   endpoint:
     health:
-      show-details: never
+      show-details: always

dev-env.yaml

@@ -18,6 +18,9 @@ services:
       - "8080:8080"
     volumes:
       - ./frontend:/app
+    depends_on:
+      - api
+      - ocr
     restart: "no"
     command: "/bin/sh -c 'npm install && npx playwright install && npx playwright test --ui-port=8080 --ui-host=0.0.0.0 & npm run dev -- --host'"
   db:
@@ -30,3 +33,18 @@ services:
       POSTGRES_DB: reportvision
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: super_secret_password
+  api:
+    build: 
+      context: ./backend
+      dockerfile: dev-dockerfile
+    environment:
+      - DB_HOST=db
+    ports: 
+      - "8081:8081"
+    volumes:
+      - ./backend:/app
+    restart: "unless-stopped"
+    depends_on: 
+      - db
+    command: "./gradlew bootRun --continuous --args='--server.port=8081'"
+