Update Readme.md

Readme.md

@@ -13,20 +13,6 @@ cd duino-coin-docker
 git submodule update --init --recursive
 ```
 
-### Run miner with Docker
-
-```bash
-docker run -d \
-  -e DUCO_USERNAME="your_username" \
-  -e DUCO_MINING_KEY="your_base64_encoded_key" \
-  -e DUCO_INTENSITY="95" \
-  -e DUCO_THREADS="4" \
-  /duino-coin-docker:latest
-```
-
-* `DUCO_MINING_KEY` must be **Base64-encoded**.
-* All other settings can be adjusted via environment variables.
-
 ---
 
 ## Build locally
@@ -34,3 +20,15 @@ docker run -d \
 ```bash
 docker build -t duino-coin-docker .
 ```
+
+### Run miner with Docker
+
+```bash
+docker run -d \
+  -e DUCO_USERNAME="your_username" \
+  -e DUCO_MINING_KEY="your_key" \
+  -e DUCO_INTENSITY="95" \
+  -e DUCO_THREADS="4" \
+  /duino-coin-docker:latest
+```
+