backend-service/Dockerfile

# Build stage
FROM golang:1.25.1-alpine AS builder

# Install build dependencies
RUN apk add --no-cache git make

# Set working directory
WORKDIR /app

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

# Download dependencies
RUN go mod download

# Copy source code
COPY . .

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

# Build the CLI binary (optional, for migrations)
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o cli cmd/cli/main.go

# Runtime stage
FROM alpine:latest

# Install ca-certificates for HTTPS requests and wget for healthcheck
RUN apk --no-cache add ca-certificates tzdata wget

WORKDIR /root/

# Copy binaries from builder
COPY --from=builder /app/server .
COPY --from=builder /app/cli .

# Copy templates if they exist
COPY --from=builder /app/internal/templates ./internal/templates

# Expose port (adjust if needed)
EXPOSE 8080

# Health check - give more time for startup
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1

# Run the server
CMD ["./server"]