FROM mirror.kargadan.ir/golang:1.25-alpine AS builder
# Go module/toolchain fetches via the kargadan Nexus (proxy.golang.org geo-blocked).
ENV GOPROXY=https://mirror.kargadan.ir/repository/go-group/ GOSUMDB=off
WORKDIR /app
# Dependencies are vendored — build fully offline (proxy.golang.org is geo-blocked from some regions)
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -mod=vendor -ldflags="-s -w" -o gateway ./cmd/server

FROM mirror.soroushasadi.com/alpine:3.20
RUN apk add --no-cache ca-certificates tzdata
WORKDIR /app
COPY --from=builder /app/gateway .
EXPOSE 8080
CMD ["./gateway"]
