rename dockerfiles

Author: tomoyamachi

.goreleaser.yaml

@@ -83,7 +83,7 @@ dockers:
   - image_templates:
       - 'goodwithtech/dockertags:{{ .Tag }}-amd64'
       - 'ghcr.io/goodwithtech/dockertags:{{ .Tag }}-amd64'
-    dockerfile: Dockerfile
+    dockerfile: Dockerfile.releaser
     build_flag_templates:
       - "--pull"
       - "--label=org.opencontainers.image.created={{.Date}}"
@@ -95,7 +95,7 @@ dockers:
   - image_templates:
       - 'goodwithtech/dockertags:{{ .Tag }}-arm64'
       - 'ghcr.io/goodwithtech/dockertags:{{ .Tag }}-arm64'
-    dockerfile: Dockerfile
+    dockerfile: Dockerfile.releaser
     build_flag_templates:
       - "--pull"
       - "--label=org.opencontainers.image.created={{.Date}}"

Dockerfile

@@ -1,3 +1,18 @@
-FROM alpine:3.13
-COPY dockertags /dockertags
-ENTRYPOINT ["/dockertags"]
+FROM golang:1.13-alpine AS builder
+COPY go.mod go.sum /app/
+WORKDIR /app/
+RUN apk --no-cache add git
+RUN go mod download
+COPY . /app/
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o /dockertags cmd/dockertags/main.go
+
+FROM alpine:3.11
+COPY --from=builder /dockertags /usr/local/bin/dockertags
+RUN chmod +x /usr/local/bin/dockertags
+RUN apk --no-cache add ca-certificates shadow
+
+# for use docker daemon via mounted /var/run/docker.sock
+RUN addgroup -S docker && adduser -S -G docker dockertags
+USER dockertags
+
+ENTRYPOINT ["dockertags"]

Dockerfile.manual

@@ -0,0 +1,3 @@
+FROM alpine:3.13
+COPY dockertags /dockertags
+ENTRYPOINT ["/dockertags"]