FROM golang:1.25.3-alpine AS builder

RUN apk add --no-cache git ca-certificates

WORKDIR /src

COPY go.mod go.sum ./
RUN go mod download

COPY . .

ARG TARGETARCH
RUN CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} go build \
    -ldflags="-s -w" \
    -o /bin/deployer \
    ./cmd/deployer

FROM alpine:latest

RUN adduser -D -u 1000 deployer && \
    chown -R deployer:deployer /tmp

COPY --from=builder /bin/deployer /deployer

USER deployer

EXPOSE 8080

ENTRYPOINT ["/deployer"]