diff --git a/.drone.sec b/.drone.sec
index a37d9f4..4c29b57 100644
--- a/.drone.sec
+++ b/.drone.sec
@@ -1 +1 @@
-eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.I7UNh81HqRV7vD9XrlFPRj5OjqcA0Os9gr4HIvWexZ4pbAwW0jG-rS7j0_maMt-36TDnw8yq_QuYYq9krlgrYxOr8hDtD8HpUjvf4gTtBP8gFWlzk2iax7ZYBdt7WzqWLdnOgPO0UbTYsMqpmlvEkWPmWutThEQYUrgtRqL6Wg8C_7ZM9e4HIL-d8v3fEKThJxK4bosRruCULXXEFqy2l98PtkA7ZIuijDB8sHMpRPPhhNyJCfqH1Mq1qc5Lv7BXTnHMWB4o9vc__Mi6fPxKRPdf0UYXwR1aBbrRjHelWFgIIcELZyS_UE-06va6eUhV1VKYIxnhn9WCPCocvaOa3w._YYkhrS1UVH--LOy.70UCog1CF2x1ENWrW8KbeJ98zVPSDsvWW3jFFIpeIiLSMrie9yywx0MDygLZt8DqVyRe65VyUr2_ZLVVgp2PAA8tSB99CAT124zut-MFYfLrczIQompPPXeEOnnbao3zNGCoUBROZVthwDaYD1QRW8ALyV5AoTwz97rm7DaMG1BkzAUSMLcOIXrDsZ3t7kJfT-VLn3NAOQtau7eozG98AWXOHoUQyEKdFAJU6h4ZW7UvuW5Z2ZXwoOSLDEjby9H88bUyDtHqDGPx1tXuPruggbGFExMSTxzFvCJ3SfBtRk7rTdMTJljPeiKVmUGUeBqBUI3PwGcoaKwb22BH89-trNdrdzC3OuBrdtlaGG0eyq28fVVQ3Revdqv9cms9bgQ9RM1o9A.d1XqcZFGi6M3YOIV1osnCg
\ No newline at end of file
+eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkExMjhHQ00ifQ.G6Nny2XGFBtLfgrL0cPtC35a5yZkANTXmCQNlV4d91wNW1FSZWdHhTC9uwn5OaGq8TaeSlg3SLdt02ypmx38WenTc1zFbSjElfVWm8nQJP689ggy5EL0vTIXczbzwKk3Y7KVFAH0g4Xi_Lr6SdJJTIZREACkKcVDWVod44e32bFF7iF-u9vhIQ0GpB76d-WFJgSzBlh4ojBrCA_un2ItjJ3rVPfJi00VbTkh8fiovOsiTWg1MhgcTDyh78tqlD-f9fdeP4W5a88-v7l6H45ttrmhfPFyT46Xju7uhtdLX5MwtqZ_augSelw8qkXmUVM_yNqBDA04HGJBSGxT8rKWKg.QuQsEmFZNiVkEwAJ.XuYkMZlmfeQRaHFpRCg0Y6Ynkj7bxHyPLQ1Okmnk-F7HGogeaS4zxrbc9GQK_EKe5mEaDE_NkS76tAABChSnsXONmTezeRakyatc00PZYykARf2dwodwENI9rrHqZFJqnC0l5moFQyC9iFICeLP9RVdQ9DZhc0t-GU2hCK_CglZ09Ag2eHtvi8x75483_x_ZtVkpF1vsMXOxUMCDO_wCVcWy6o-Fkx7gPBR6AR56qD-MRBGeNn975IQ3bV1fxRTYnvRC3tX6xslZoQ6M-lIZTWFTTvZkEWYe3FSwD2HYUbm7rI4iivoNsFzmsMl38SqSQ_s_MyLcju9CcJsVmXokixKk-TcVCoDDG62gUQWTXEG4jz2sMxfwU4H2Fgg7AlFh2_At3gSVr2GXdgMtB1TYr0e1KQIVW_3DbNtYi6_neHg.k_x3SoJ2TUSAx_awKAYQWw
\ No newline at end of file
diff --git a/.drone.yml b/.drone.yml
index 235abd6..0aeada9 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,27 +1,37 @@
 build:
   image: golang:1.5
   environment:
-    - GO15VENDOREXPERIMENT=1
-    - GOOS=linux
-    - GOARCH=amd64
     - CGO_ENABLED=0
   commands:
-    - go get
-    - go build
-    - go test
+    - make deps
+    - make vet
+    - make build
+    - make test
 
 publish:
+  coverage:
+    when:
+      branch: master
   docker:
-    username: drone
+    username: $$DOCKER_USER
     password: $$DOCKER_PASS
     email: $$DOCKER_EMAIL
     repo: plugins/drone-docker
+    tag: latest
     when:
       branch: master
+  docker:
+    username: $$DOCKER_USER
+    password: $$DOCKER_PASS
+    email: $$DOCKER_EMAIL
+    repo: plugins/drone-docker
+    tag: develop
+    when:
+      branch: develop
 
 plugin:
   name: Docker
-  desc: Build and Publish images to a Docker registry.
+  desc: Build and publish images to a Docker registry
   type: publish
   image: plugins/drone-docker
   labels:
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..aea4dd4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,32 @@
+.PHONY: clean deps fmt vet test docker
+
+EXECUTABLE ?= drone-docker
+IMAGE ?= plugins/$(EXECUTABLE)
+CI_BUILD_NUMBER ?= 0
+
+LDFLAGS = -X "main.buildDate=$(shell date -u '+%Y-%m-%d %H:%M:%S %Z')"
+PACKAGES = $(shell go list ./... | grep -v /vendor/)
+
+clean:
+	go clean -i ./...
+
+deps:
+	go get -t ./...
+
+fmt:
+	go fmt $(PACKAGES)
+
+vet:
+	go vet $(PACKAGES)
+
+test:
+	@for PKG in $(PACKAGES); do go test -cover -coverprofile $$GOPATH/src/$$PKG/coverage.out $$PKG || exit 1; done;
+
+docker:
+	GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags '-s -w $(LDFLAGS)'
+	docker build --rm -t $(IMAGE) .
+
+$(EXECUTABLE): $(wildcard *.go)
+	go build -ldflags '-s -w $(LDFLAGS)'
+
+build: $(EXECUTABLE)
diff --git a/README.md b/README.md
index ae19cdf..b7b6a46 100644
--- a/README.md
+++ b/README.md
@@ -1,41 +1,57 @@
 # drone-docker
 
 [![Build Status](http://beta.drone.io/api/badges/drone-plugins/drone-docker/status.svg)](http://beta.drone.io/drone-plugins/drone-docker)
+[![Coverage Status](https://aircover.co/badges/drone-plugins/drone-docker/coverage.svg)](https://aircover.co/drone-plugins/drone-docker)
 [![](https://badge.imagelayers.io/plugins/drone-docker:latest.svg)](https://imagelayers.io/?images=plugins/drone-docker:latest 'Get your own badge on imagelayers.io')
 
-Drone plugin for publishing Docker images
+Drone plugin to build and publish images to a Docker registry
 
 ## Docker
 
-Build the Docker container:
+Build the container using `make`:
 
-```sh
-docker build --rm=true -t plugins/drone-docker .
+```
+make deps docker
 ```
 
-Build and Publish a Docker container
+### Example
 
 ```sh
 docker run -i --privileged -v $(pwd):/drone/src plugins/drone-docker <<EOF
 {
-	"workspace": {
-		"path": "/drone/src"
-	},
-	"build" : {
-		"number": 1,
-		"head_commit": {
-			"sha": "9f2849d5",
-			"branch": "master",
-			"ref": "refs/heads/master"
-		}
-	},
-	"vargs": {
-		"username": "kevinbacon",
-		"password": "pa$$word", 
-		"email": "foo@bar.com", 
-		"repo": "foo/bar",
-		"storage_driver": "aufs"
-	}
+    "repo": {
+        "clone_url": "git://github.com/drone/drone",
+        "owner": "drone",
+        "name": "drone",
+        "full_name": "drone/drone"
+    },
+    "system": {
+        "link_url": "https://beta.drone.io"
+    },
+    "build": {
+        "number": 22,
+        "status": "success",
+        "started_at": 1421029603,
+        "finished_at": 1421029813,
+        "message": "Update the Readme",
+        "author": "johnsmith",
+        "author_email": "john.smith@gmail.com"
+        "event": "push",
+        "branch": "master",
+        "commit": "436b7a6e2abaddfd35740527353e78a227ddcb2c",
+        "ref": "refs/heads/master"
+    },
+    "workspace": {
+        "root": "/drone/src",
+        "path": "/drone/src/github.com/drone/drone"
+    },
+    "vargs": {
+        "username": "kevinbacon",
+        "password": "pa$$word",
+        "email": "foo@bar.com",
+        "repo": "foo/bar",
+        "storage_driver": "aufs"
+    }
 }
 EOF
 ```
diff --git a/main.go b/main.go
index d2f1100..c29ef5b 100644
--- a/main.go
+++ b/main.go
@@ -40,7 +40,13 @@ type Docker struct {
 	BuildArgs []string `json:"build_args"`
 }
 
+var (
+	buildDate string
+)
+
 func main() {
+	fmt.Printf("Drone Docker Plugin built at %s\n", buildDate)
+
 	workspace := plugin.Workspace{}
 	build := plugin.Build{}
 	vargs := Docker{}