Add template support.

templates/docker_image.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+mkdir -p _build
+cd _build
+mkdir -p docker_out
+rm -rf sources
+git clone $(git remote get-url origin) sources
+cd sources
+git fetch --tags
+ver=$(git describe --tags `git rev-list --tags --max-count=1`)
+git checkout $ver
+
+CGO_ENABLED=0 go build -ldflags="-s -w" -o ../{{.ProjectFolderName}} .
+
+# A second run is needed to build the final image.
+cd ..
+docker build -f sources/Dockerfile --no-cache -t {{.GoModuleName}}:${ver} .
+docker push {{.GoModuleName}}:${ver}
+rm -rf sources {{.ProjectFolderName}}