- Enabled versioning cli.

Dockerfile

@@ -3,7 +3,9 @@ RUN apk update && apk add --no-cache git ca-certificates && update-ca-certificat
 COPY . $GOPATH/src/aws-s3/
 WORKDIR $GOPATH/src/aws-s3/
 RUN go get -d -v
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -ldflags="-w -s" -o /go/bin/aws-s3
+ARG CACHE_TAG
+ARG SOURCE_COMMIT
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -ldflags "-X 'main.version=$CACHE_TAG' -X 'main.commit=$SOURCE_COMMIT'" -o /go/bin/aws-s3
 
 FROM scratch
 COPY --from=builder /go/bin/aws-s3 /go/bin/aws-s3

build

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+declare SHA
+declare TAG
+
+SHA="$(git rev-parse --short HEAD)"
+TAG='latest'
+
+docker build -t "dotnetmentor/aws-s3:${TAG}" . --build-arg SOURCE_COMMIT="${SHA:?}" --build-arg CACHE_TAG="${TAG:?}"
+
+if [[ -f ./.env ]]; then
+  # shellcheck disable=SC1091
+  source ./.env
+fi
+
+docker run -e AWS_ACCESS_KEY_ID="${AWS_ACCESS_KEY_ID:?}" -e AWS_SECRET_ACCESS_KEY="${AWS_SECRET_ACCESS_KEY:?}" "dotnetmentor/aws-s3:${TAG}" "$@"

main.go

@@ -7,6 +7,11 @@ import (
 	"github.com/mitchellh/cli"
 )
 
+var (
+	version = "dev"
+	commit  = "none"
+)
+
 func main() {
 	os.Exit(run(os.Args[1:]))
 }
@@ -15,7 +20,7 @@ func run(args []string) int {
 	// Initialize cli
 	c := &cli.CLI{
 		Name:    "aws-s3",
-		Version: "1.0.0",
+		Version: fmt.Sprintf("%s-%s", version, commit),
 		Commands: map[string]cli.CommandFactory{
 			"prune": pruneCommandFactory,
 		},