diff --git a/README.md b/README.md
index 353befd..cb9418f 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,20 @@ scrape_configs:
         - localhost:9233
 ```
 
+## Docker Build Instructions
+
+Build for both `arm64` and `amd64`:
+```
+docker build -t fffonion/tplink-plug-exporter:latest-arm64 --platform linux/arm64 --build-arg GOARCH=arm64 .
+docker build -t fffonion/tplink-plug-exporter:latest-amd64 --platform linux/amd64 --build-arg GOARCH=arm64 .
+```
+
+Merge them in one manifest:
+```
+docker manifest create fffonion/tplink-plug-exporter:latest --amend fffonion/tplink-plug-exporter:latest-arm64 --amend fffonion/tplink-plug-exporter:latest-amd64
+docker push fffonion/tplink-plug-exporter:latest
+```
+
 ## See also
 
 - Original reverse engineering work: https://github.com/softScheck/tplink-smartplug