diff --git a/doc/cli.md b/doc/cli.md
new file mode 100644
index 0000000..d43ae94
--- /dev/null
+++ b/doc/cli.md
@@ -0,0 +1,14 @@
+# CLI
+
+Run `yarn cli` to get basic information of available commands
+
+## user commands
+
+### `yarn cli user create`
+
+create a new user
+
+### `yarn cli user activate <username>`
+
+activate the given user
+
diff --git a/doc/environment.md b/doc/environment.md
new file mode 100644
index 0000000..c6aa7f9
--- /dev/null
+++ b/doc/environment.md
@@ -0,0 +1,12 @@
+# Environment Variables
+
+| Name | Default Value | Description |
+| ---- | ------------- | ----------- |
+| DISABLE_INSTALLATION_METRICS | *not set* | Per default installations are [publishing](./installation.metrics.md) their existence |
+| SECRET_KEY | `changeMe` | JWT Secret for authentication |
+| MONGODB_URI | `mongodb://localhost/ohmyform` | MongoDB Connection |
+| MAILER_URI | `smtp://localhost:1025` | [Mail Connection](https://nodemailer.com/smtp/) |
+| MAILER_FROM | `OhMyForm <no-reply@localhost>` | Default From path, make sure that your mail server supports the given from addres |
+| CLI | *automatically* | activates pretty print for log output |
+| NODE_ENV | `production` | |
+
diff --git a/doc/installation.metrics.md b/doc/installation.metrics.md
new file mode 100644
index 0000000..a47fdfa
--- /dev/null
+++ b/doc/installation.metrics.md
@@ -0,0 +1,11 @@
+# Installation Metrics
+
+OhMyForm sends a PING during startup as well as once 
+every hour to get instights on where OhMyForm is used.
+
+If you feed that this should not happen you can disable
+this behavior by setting the environment variable 
+`DISABLE_INSTALLATION_METRICS=1`
+
+You can take a look [here](../src/service/installation.metrics.service.ts) to see how we trigger the metric 
+collection
diff --git a/src/service/installation.metrics.service.ts b/src/service/installation.metrics.service.ts
index 1b24059..3abfc87 100644
--- a/src/service/installation.metrics.service.ts
+++ b/src/service/installation.metrics.service.ts
@@ -1,4 +1,5 @@
 import { Injectable, OnApplicationBootstrap } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
 import MatomoTracker from 'matomo-tracker';
 import { PinoLogger } from 'nestjs-pino/dist';
 
@@ -8,24 +9,39 @@ export class InstallationMetricsService implements OnApplicationBootstrap {
 
   constructor(
     private readonly logger: PinoLogger,
+    private readonly configService: ConfigService,
   ) {
   }
 
   async onApplicationBootstrap(): Promise<void> {
+    if (this.configService.get<boolean>('DISABLE_INSTALLATION_METRICS')) {
+      this.logger.info('installation metrics are disabled')
+      return
+    }
+
     const tracker = new MatomoTracker(2, this.host)
 
     tracker.on('error', () => {
       this.logger.error('failed to add installation metrics')
     })
 
-    this.logger.info('try to add installation metrics')
-
+    this.logger.info('try to add startup metric')
     tracker.track({
       url: `http://localhost/version/${process.env.npm_package_version}`,
       // eslint-disable-next-line @typescript-eslint/camelcase
       action_name: 'startup',
       ua: process.arch
     })
+
+    setInterval(() => {
+      this.logger.info('try to add running metric')
+      tracker.track({
+        url: `http://localhost/version/${process.env.npm_package_version}`,
+        // eslint-disable-next-line @typescript-eslint/camelcase
+        action_name: 'running',
+        ua: process.arch
+      })
+    }, 3600000)
   }