add a docker build for driftcl & badge in readme

.dockerignore

@@ -0,0 +1,4 @@
+bin/
+Dockerfile
+.cache
+**/*.golden.json

Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.15.2 AS builder
+
+ARG OS="linux"
+ARG ARCH="amd64"
+
+WORKDIR /go/src/app
+COPY go.mod go.sum Makefile ./
+RUN make deps
+COPY . .
+RUN OS_ARCH=${OS}/${ARCH} make release
+
+FROM gcr.io/distroless/base-debian10
+
+ARG OS="linux"
+ARG ARCH="amd64"
+ENV HOME=/app
+
+WORKDIR /app
+COPY --from=builder /go/src/app/bin/driftctl_${OS}_${ARCH} /bin/driftctl
+ENTRYPOINT ["/bin/driftctl"]

README.md

@@ -8,7 +8,12 @@
   <img src="https://img.shields.io/github/downloads/cloudskiff/driftctl/total.svg"/>
   <a href="https://codecov.io/gh/cloudskiff/driftctl">
     <img src="https://codecov.io/gh/cloudskiff/driftctl/branch/main/graph/badge.svg?token=8C5R02G5S7"/>
-  </a><br>
+  </a>
+  <img src="https://img.shields.io/docker/pulls/cloudskiff/driftctl"/>
+  <img src="https://img.shields.io/microbadger/layers/cloudskiff/driftctl"/>
+  <img src="https://img.shields.io/docker/image-size/cloudskiff/driftctl"/>
+
+<br>
   Measures infrastructure as code coverage, and tracks infrastructure drift.<br>
   :warning: <strong>This tool is still in beta state and will evolve in the future with potential breaking changes</strong> :warning:
 </p>

scripts/build.sh

@@ -32,6 +32,12 @@ os_archs=(
     windows/amd64
 )
 
+if [ -n "$OS_ARCH" ]; then
+  os_archs=("$OS_ARCH")
+fi
+
+echo "ARCH: $os_archs"
+
 if [ $ENV != "release" ]; then
     echo "+ Building env: dev"
     # If its dev mode, only build for ourself