use a separate Dockerfile for publishing to Dockerhub

Author: codeboten

Dockerfile

@@ -1,12 +1,3 @@
-FROM golang:latest
-WORKDIR /app
-COPY go.mod go.sum ./
-RUN go mod download
-COPY main.go .
-RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o github-action-to-otlp .
+FROM codeboten/github-action-to-otlp:v1
 
-FROM alpine:latest
-RUN apk --no-cache add ca-certificates
-WORKDIR /root/
-COPY --from=0 /app/github-action-to-otlp .
 ENTRYPOINT ["/root/github-action-to-otlp"]

Dockerfile.build

@@ -0,0 +1,12 @@
+FROM golang:latest
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY main.go .
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o github-action-to-otlp .
+
+FROM alpine:latest
+RUN apk --no-cache add ca-certificates
+WORKDIR /root/
+COPY --from=0 /app/github-action-to-otlp .
+ENTRYPOINT ["/root/github-action-to-otlp"]