GITBOOK-73: change request with no subject merged in GitBook

Author: alexjustesen

SUMMARY.md

@@ -39,6 +39,7 @@
 * [Commands](other/commands.md)
 * [Data Dictionary](other/data-dictionary.md)
 * [Embed Dashboard](other/embed-dashboard.md)
+* [Health Check](other/health-check.md)
 
 ## 🖥 API
 

other/health-check.md

@@ -0,0 +1,26 @@
+# Health Check
+
+Using the health check URL you can test to make sure the application is up and working. The URL `/api/healthcheck` will response with a 200 HTTP response code and a JSON message.
+
+### Health Check Endpoint
+
+```bash
+curl {APP_URL}/api/healthcheck
+```
+
+You can also add this to your Docker Compose file so the Docker service can monitor that the container has started successfully.
+
+```docker
+healthcheck:
+    test: curl -fSs {APP_URL}/api/healthcheck || exit 1
+    interval: 10s
+    retries: 3
+    start_period: 30s
+    timeout: 10s
+```
+
+### Response
+
+```json
+{"message":"Speedtest Tracker is running!"}
+```