FROM golang:1.23-alpine AS build
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 go build -o server ./cmd/server

FROM alpine:3.20
RUN apk add --no-cache ca-certificates
COPY --from=build /app/server /usr/local/bin/server
EXPOSE 8080
CMD ["server"]