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docs/analytics.md

@@ -0,0 +1,42 @@
+## 📈 Analytics Support
+
+### Google Analytics
+
+See [Getting Started with Analytics](https://support.google.com/analytics/answer/1008015?hl=en). After getting your GA Tracking Id, use your tracking Id as environment variable like `GA_TRACKING_ID=G-XXXXXXXXXX`  (See the example below)
+
+All buttons clicked will be tracked automatically if `GA_TRACKING_ID` exists.
+
+Sample event for YouTube button.
+
+```javascript
+  window.gtag('event', 'youtube-button');
+```
+
+### Umami
+
+See [Adding a website & Collecting data](https://umami.is/docs/collect-data) page to add and generate your tracking code.
+
+Generated tracking code should look like:
+
+```javascript
+<script async defer data-website-id="00000000-1111-2222-3333-444444444444" src="https://your-umami-app.com/umami.js"></script>
+```
+
+Use `data-website-id` as environment variable `UMAMI_WEBSITE_ID` and `src` as `UMAMI_APP_URL`.
+
+Sample event for YouTube button.
+
+```javascript
+  window.umami('youtube-button');
+```
+
+### Matomo 
+
+See [Installing Matomo fo how to configure analytics](https://matomo.org/docs/installation/) and [how to find your site id](https://matomo.org/faq/general/faq_19212/)
+
+Use `MATOMO_URL` for your URL and `MATOMO_SITE_ID` for your site id
+
+Sample event for YouTube button.
+
+```javascript
+  window._paq.push(['trackEvent', 'youtube-button']]);

docs/healthcheck.md

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+## 🩺 Health Check
+
+A health check endpoint exists on `/healthcheck`.  If healthy, it will return with a `200` and the following response:
+
+```json
+{
+  "status": "ok"
+}
+```
+
+To skip express from logging these calls, add the environment variable:
+
+```bash
+SKIP_HEALTH_CHECK_LOGS=true
+```