FROM golang:1.22-alpine AS builder
WORKDIR /build
COPY go.mod ./
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o metrics-collector ./cmd/server/

FROM alpine:3.20
RUN apk add --no-cache ca-certificates
COPY --from=builder /build/metrics-collector /metrics-collector
EXPOSE 8091
ENTRYPOINT ["/metrics-collector"]