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contact-scrape-test/Dockerfile

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+# Build stage
+FROM golang:1.21-alpine AS builder
+
+# Install git and ca-certificates (needed for fetching dependencies)
+RUN apk add --no-cache git ca-certificates
+
+# Set the working directory
+WORKDIR /build
+
+# Copy go mod files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY contact-scrape.go ./
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o contact-scrape .
+
+# Runtime stage
+FROM alpine:latest
+
+# Install ca-certificates for HTTPS requests
+RUN apk --no-cache add ca-certificates tzdata
+
+# Create non-root user
+RUN addgroup -g 1001 -S appgroup && \
+    adduser -u 1001 -S appuser -G appgroup
+
+# Set working directory
+WORKDIR /app
+
+# Copy binary from builder stage
+COPY --from=builder /build/contact-scrape .
+
+# Copy HTML file
+COPY index.html .
+
+# Create data directory
+RUN mkdir -p data && chown -R appuser:appgroup /app
+
+# Switch to non-root user
+USER appuser
+
+# Expose port
+EXPOSE 8080
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/ || exit 1
+
+# Run the application
+CMD ["./contact-scrape"]