Dockerfile

# Build stage
FROM golang:1.23-alpine AS builder

WORKDIR /app

# Install git for go mod
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 binary
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o gdelt-engine ./cmd

# Final stage
FROM alpine:latest

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

WORKDIR /app

# Copy binary from builder
COPY --from=builder /app/gdelt-engine .

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:7860/health || exit 1

# Run
CMD ["./gdelt-engine"]