- create dockerfile and makefile for building docker image

Dockerfile

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+FROM        alpine
+MAINTAINER  Adnan Hajdarevic <adnanh@gmail.com>
+
+ENV         GOPATH /go
+ENV         SRCPATH ${GOPATH}/src/github.com/adnanh/webhook
+COPY        . ${SRCPATH}
+RUN         apk add --update -t build-deps go git libc-dev gcc libgcc && \
+            cd ${SRCPATH} && go get -d && go build -o /usr/local/bin/webhook && \
+            apk del --purge build-deps && \
+            rm -rf /var/cache/apk/* && \
+            rm -rf ${GOPATH}
+
+EXPOSE      9000
+ENTRYPOINT  ["/usr/local/bin/webhook"]

Makefile

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+DOCKER_IMAGE_NAME=adnanh/webhook
+CONTAINER_NAME=webhook
+
+docker-build: Dockerfile
+	docker build --force-rm=true --tag=${DOCKER_IMAGE_NAME} .
+
+docker-run:
+	@echo "Here's an example command on how to run a webhook container:"
+	@echo "docker run -d -p 9000:9000 -v /etc/webhook:/etc/webhook --name=${CONTAINER_NAME} \\"
+	@echo "  ${DOCKER_IMAGE_NAME} -verbose -hooks=/etc/webhook/hooks.json -hotreload"