# Stage 1: Build the Go binary
FROM golang:1.26-alpine AS builder
RUN apk add --no-cache gcc musl-dev    # for go-sqlite3 (CGO)
WORKDIR /build
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=1 go build -o /app/server ./cmd/web

# Stage 2: Minimal runtime image
FROM alpine:latest
RUN apk --no-cache add ca-certificates tzdata
WORKDIR /app
COPY --from=builder /app/server /app/server
COPY --from=builder /build/config /app/config
COPY --from=builder /build/public /app/public
RUN mkdir -p /app/dbs /app/uploads
EXPOSE 8000
CMD ["/app/server"]