# Stage 1: Build Go binary
FROM golang:1.26-alpine AS builder

RUN apk add --no-cache gcc musl-dev

WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN CGO_ENABLED=0 go build -ldflags="-s -w -X main.version=$(git describe --tags --always 2>/dev/null || echo dev)" \
    -o /app/boosapi ./cmd/boosapi/

# Stage 2: Minimal runtime image
FROM alpine:3.21

RUN apk add --no-cache ca-certificates tzdata

WORKDIR /app

# Copy binary + migrations
COPY --from=builder /app/boosapi .
COPY --from=builder /src/internal/db/migrate ./internal/db/migrate

# Create data directory
RUN mkdir -p /app/data

EXPOSE 4000

HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:4000/healthz || exit 1

CMD ["/app/boosapi"]