docker to use scratch

Author: jpillora

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Build
-        run: go build -v .
+        run: go build -v -o /dev/null .
       - name: Test
         run: go test -v ./...
   # ================
@@ -67,7 +67,6 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: jpillora/chisel
-          tag-latest: true
           tags: |
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}

Dockerfile

@@ -9,8 +9,8 @@ RUN go build \
     -ldflags "-X github.com/jpillora/chisel/share.BuildVersion=$(git describe --abbrev=0 --tags)" \
     -o chisel
 # run stage
-FROM gcr.io/distroless/static-debian11
+FROM scratch
+COPY --from=alpine:latest /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 WORKDIR /app
-CMD ["/app"]
 COPY --from=build /src/chisel /app/chisel
 ENTRYPOINT ["/app/chisel"]