# Build stage
FROM golang:1.24-alpine AS builder

WORKDIR /app

# Copy go mod files first for caching
COPY go.mod go.sum ./
RUN go mod download

# Copy source and build
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o server ./cmd/server

# Final stage
FROM alpine:latest
RUN apk --no-cache add ca-certificates

WORKDIR /root/

# Copy binary from builder
COPY --from=builder /app/server .

EXPOSE 8080

CMD ["./server"]