diff --git a/Environment-Variables.md b/Environment-Variables.md
index bbe5095..87c1558 100644
--- a/Environment-Variables.md
+++ b/Environment-Variables.md
@@ -1,19 +1,24 @@
-# Server environment variables
+## Server environment variables
 
 | Environment variable                       | Server argument            | Description                                                           |    Default |
 | ------------------------------------------ | -------------------------- | --------------------------------------------------------------------- | ---------: |
-| `NODE_ENV`                                 |                            | Set the NodeJS environment flag                                       | production |
 | `DATA_DIR`                                 | `data-dir`                 | Set the directory where the data should be stored (could be relative) |  `./data/` |
 | `UPTIME_KUMA_HOST` or `HOST`               | `host`                     | Host to bind to, could be an ip.                                      |       `::` |
 | `UPTIME_KUMA_PORT` or `PORT`               | `port`                     | Port to listen to                                                     |     `3001` |
 | `UPTIME_KUMA_SSL_KEY` or `SSL_KEY`         | `ssl-key`                  | Path to SSL key                                                       |            |
 | `UPTIME_KUMA_SSL_CERT` or `SSL_CERT`       | `ssl-cert`                 | Path to SSL certificate                                               |            |
-| `UPTIME_KUMA_DISABLE_FRAME_SAMEORIGIN`     | `disable-frame-sameorigin` | Prevent kuma from being opened by an IFrame from other hosts          |    `false` |
-| `UPTIME_KUMA_LOG_RESPONSE_BODY_MONITOR_ID` |                            | Log beat event to STDOUT ("1" to enable)                              |            |
 
-# Docker specific environment variables
+## Docker specific environment variables
 
 | Environment variable | Description                         | Default |
 | -------------------- | ----------------------------------- | ------: |
 | `PUID`               | User id to access the data storage  |  `1000` |
 | `GUID`               | Group id to access the data storage |  `1000` |
+
+## For Development only
+
+| Environment variable                       | Server argument            | Description                                                           |    Default |
+| ------------------------------------------ | -------------------------- | --------------------------------------------------------------------- | ---------: |
+| `NODE_ENV`                                 |                            | Set the NodeJS environment flag                                       | production |
+| `UPTIME_KUMA_DISABLE_FRAME_SAMEORIGIN`     | `disable-frame-sameorigin` | Prevent kuma from being opened by an IFrame from other hosts          |    `false` |
+| `UPTIME_KUMA_LOG_RESPONSE_BODY_MONITOR_ID` |                            | Log beat event to STDOUT ("1" to enable)                              |            |