Merge pull request sighmon#21 from mt-inside/mt-docker-cross-compile

Enable and document docker cross-compiles
anaganisk · Jul 23, 2022 · 8b26866 · 8b26866
2 parents 75ef142 + 57762a5
commit 8b26866
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diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,5 @@
-FROM ubuntu:20.04
+ARG ARCH=
+FROM ${ARCH}ubuntu:20.04
 
 RUN ln -fs /usr/share/zoneinfo/Europe/London /etc/localtime
 

diff --git a/README.md b/README.md
@@ -251,6 +251,10 @@ There is a Dockerfile available if you'd like to run as a docker container.
 
 ```docker run -d enviroplus-exporter -d -p 8000:8000 --device=/dev/i2c-1 --device=/dev/gpiomem --device=/dev/ttyAMA0 enviroplus-exporter```
 
+Using [BuildKit](https://docs.docker.com/develop/develop-images/build_enhancements/) you can build Raspberry Pi compatible images on an amd64.
+
+```docker buildx build --platform linux/arm/v7,linux/arm64/v8 .```
+
 <!-- ROADMAP -->
 ## Roadmap