FROM golang:1.23-alpine3.19@sha256:5f3336882ad15d10ac1b59fbaba7cb84c35d4623774198b36ae60edeba45fd84 AS build_deps

RUN apk add --no-cache git

WORKDIR /workspace

COPY go.mod .
COPY go.sum .

RUN go mod download

FROM build_deps AS build

COPY . .

RUN CGO_ENABLED=0 go build -o webhook -ldflags '-w -extldflags "-static"' .

FROM alpine:3.23@sha256:25109184c71bdad752c8312a8623239686a9a2071e8825f20acb8f2198c3f659

RUN apk add --no-cache ca-certificates

COPY --from=build /workspace/webhook /usr/local/bin/webhook

ENTRYPOINT ["webhook"]