adds docker & release stuff for fnlb

fnlb/release.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+set -ex
+
+user="funcy"
+service="fnlb"
+tag="latest"
+
+# ensure working dir is clean
+git status
+if [[ -z $(git status -s) ]]
+then
+  echo "tree is clean"
+else
+  echo "tree is dirty, please commit changes before running this"
+  exit 1
+fi
+
+git pull
+
+version_file="main.go"
+if [ -z $(grep -m1 -Eo "[0-9]+\.[0-9]+\.[0-9]+" $version_file) ]; then
+  echo "did not find semantic version in $version_file"
+  exit 1
+fi
+perl -i -pe 's/\d+\.\d+\.\K(\d+)/$1+1/e' $version_file
+version=$(grep -m1 -Eo "[0-9]+\.[0-9]+\.[0-9]+" $version_file)
+echo "Version: $version"
+
+make docker-build
+
+git add -u
+git commit -m "$service: $version release [skip ci]"
+git tag -f -a "$version" -m "version $version"
+git push
+git push origin $version
+
+# Finally tag and push docker images
+docker tag $user/$service:$tag $user/$service:$version
+docker push $user/$service:$version
+docker push $user/$service:$tag