Add dockerfile (#7)

.drone.yml

@@ -44,4 +44,12 @@ pipeline:
       - sha256
       - md5
     when:
-      event: [ tag ]
+      event: [ tag ]
+  docker:
+    image: plugins/docker:17.12
+    secrets: [ docker_username, docker_password ]
+    pull: true
+    repo: jonasfranz/gitea-github-migrator
+    default_tags: true
+    when:
+      event: [ push, tag ]

Dockerfile

@@ -0,0 +1,18 @@
+#Build stage
+FROM golang:1.10-alpine3.7 AS build-env
+
+#Build deps
+RUN apk --no-cache add build-base git
+
+#Setup repo
+COPY . ${GOPATH}/src/git.jonasfranz.software/JonasFranzDEV/gitea-github-migrator
+WORKDIR ${GOPATH}/src/git.jonasfranz.software/JonasFranzDEV/gitea-github-migrator
+
+RUN make docker-binary
+
+FROM alpine:3.7
+LABEL maintainer="info@jonasfranz.software"
+
+COPY --from=build-env /go/src/git.jonasfranz.software/JonasFranzDEV/gitea-github-migrator/gitea-github-migrator /usr/local/bin/gitea-github-migrator
+
+ENTRYPOINT ["/usr/local/bin/gitea-github-migrator"]

Makefile

@@ -18,6 +18,10 @@ LDFLAGS := -X main.Version=$(VERSION) -X main.build=$(BUILD)
 .PHONY: all
 all:
 
+.PHONY: docker-binary
+docker-binary:
+	go build -ldflags "$(LDFLAGS)" -o gitea-github-migrator
+
 .PHONY: release
 release:
 	@hash gox > /dev/null 2>&1; if [ $$? -ne 0 ]; then \