# Build stage
FROM golang:1.24-alpine AS builder

WORKDIR /app

# Install build dependencies if needed (e.g. gcc for cgo, though we disable cgo)
RUN apk add --no-cache git

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

COPY . .

# Build the application
RUN CGO_ENABLED=0 GOOS=linux go build -o main ./cmd/api

# Run stage
FROM alpine:latest

WORKDIR /app

# Install runtime dependencies
RUN apk add --no-cache ca-certificates

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

# Copy migrations (CRITICAL for auto-migration logic)
COPY --from=builder /app/migrations ./migrations

# Expose port
EXPOSE 8080

# Environment variables should be passed at runtime, but we can set defaults
ENV PORT=8080

CMD ["./main"]