use golang builder

update ci

.dockerignore

@@ -0,0 +1,4 @@
+/capture
+/.woodpecker.yml
+/.git
+/.gitignore

.woodpecker.yml

@@ -15,7 +15,7 @@ pipeline:
     commands:
       - go build -o /artifacts/capture
 
-  push-release:
+  push_release:
     image: plugins/gitea-release
     volumes: *volumes
     settings:
@@ -26,3 +26,15 @@ pipeline:
       files: /artifacts/capture
     when:
       event: [tag]
+
+  docker_build_push:
+    image: docker:dind
+    secrets:
+      - registry_user
+      - registry_password
+    commands:
+      - echo "$REGISTRY_PASSWORD" | docker login -u "$REGISTRY_USER" --password-stdin
+      - docker build -t deblan/capture:$TAG .
+      - docker push deblan/capture:$TAG
+    when:
+      event: [deployment]

Dockerfile

@@ -1,9 +1,12 @@
+FROM golang:1.19 as builder
+
+WORKDIR /src
+COPY . .
+RUN go build
+
 FROM debian:stable-slim
 
 RUN apt-get update && apt-get install ca-certificates -y
-
-COPY ./capture /usr/bin/capture
-
-WORKDIR /app
+COPY --from=builder /src/capture /usr/bin/capture
 
 ENTRYPOINT ["/usr/bin/capture"]