# Build stage
FROM golang:1.23-alpine AS builder

WORKDIR /app

# Install build dependencies
RUN apk add --no-cache git ca-certificates

# Copy go mod files
COPY go.mod go.sum ./
RUN go mod download

# Copy source code
COPY . .

# Build the binary
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o consent-service ./cmd/server

# Runtime stage
FROM alpine:3.19

WORKDIR /app

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

# Copy binary from builder
COPY --from=builder /app/consent-service .

# Create non-root user
RUN adduser -D -g '' appuser
USER appuser

# Expose port
EXPOSE 8081

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:8081/health || exit 1

# Run the binary
CMD ["./consent-service"]