Add spring actuator health check

doc/development.md

@@ -2,13 +2,17 @@
 
 Frontend of the application is developed separately.
 
-The setup requires following steps:
+The setup requires the following steps:
 1) configure the application according to [Setup Guide](setup.md)
 2) configure `config.properties` to contain `security.sameSite=None`    
-   This is important if you are running the application over http so 
+   This is important if you are running the application over HTTP so 
    web browser would not block requests to the server due to CORS policy.
 3) build the backend `mvn clean package`
 4) Run the created application archive (`./target/record-manager.jar`)
 5) Checkout and run frontend
 
 Alternatively to step 2, a browser plugin can be used to disable CORS policy.
+
+## Health check
+
+To check that the backend is running, use path `/actuator/health` (e.g. `http://localhost:8080/record-manager/actuator/health`).

pom.xml

@@ -141,6 +141,12 @@
             <artifactId>spring-security-test</artifactId>
             <scope>test</scope>
         </dependency>
+
+        <!-- Health check -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

src/main/resources/application.properties

@@ -1 +1,2 @@
-server.servlet.context-path=/record-manager
+server.servlet.context-path=/record-manager
+management.endpoints.web.exposure.include=health