build multi-arch docker images linux/amd64,linux/arm64,linux/arm/v7

dist.sh

@@ -2,15 +2,14 @@
 
 # 1. commit to bump the version and update the changelog/readme
 # 2. tag that commit
-# 3. use dist.sh to produce tar.gz for all platforms
+# 3. use dist.sh to produce tar.gz for all platforms and docker push nsqio/nsq
 # 4. upload *.tar.gz to bitly s3 bucket
-# 5. docker push nsqio/nsq
-# 6. push to nsqio/master
-# 7. update the release metadata on github / upload the binaries there too
-# 8. update nsqio/nsqio.github.io/_posts/2014-03-01-installing.md
-# 9. send release announcement emails
-# 10. update IRC channel topic
-# 11. tweet
+# 5. push to nsqio/master
+# 6. update the release metadata on github / upload the binaries there too
+# 7. update nsqio/nsqio.github.io/_posts/2014-03-01-installing.md
+# 8. send release announcement emails
+# 9. update IRC channel topic
+# 10. tweet
 
 set -e
 
@@ -42,8 +41,11 @@ for os in linux darwin freebsd windows; do
     sudo rm -r $BUILD
 done
 
-docker build -t nsqio/nsq:v$version .
+docker buildx create --name nsq
+docker buildx use nsq
+docker buildx build --tag nsqio/nsq:v$version . --platform linux/amd64,linux/arm64 --push
 if [[ ! $version == *"-"* ]]; then
     echo "Tagging nsqio/nsq:v$version as the latest release."
-    docker tag nsqio/nsq:v$version nsqio/nsq:latest
+    docker buildx build --tag nsqio/nsq:latest . --platform linux/amd64,linux/arm64 --push
 fi
+docker buildx rm nsq