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Dockerfile

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+# Build stage
+FROM golang:1.21-alpine AS builder
+
+# Install build dependencies
+RUN apk add --no-cache git make
+
+WORKDIR /app
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build \
+    -a -installsuffix cgo \
+    -ldflags="-s -w -X main.Version=${VERSION:-dev} -X main.Commit=${COMMIT:-unknown}" \
+    -o linkbeam \
+    ./cmd/linkbeam
+
+# Final stage
+FROM alpine:latest
+
+# Install ca-certificates for HTTPS
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /app
+
+# Copy binary from builder
+COPY --from=builder /app/linkbeam /app/linkbeam
+
+# Copy templates and themes
+COPY templates /app/templates
+COPY themes /app/themes
+
+# Create config directory
+RUN mkdir -p /app/config
+
+# Expose port (if needed for future HTTP server)
+EXPOSE 8080
+
+# Set default config path
+ENV CONFIG_PATH=/app/config/config.yaml
+
+# Run as non-root user
+RUN addgroup -g 1000 linkbeam && \
+    adduser -D -u 1000 -G linkbeam linkbeam && \
+    chown -R linkbeam:linkbeam /app
+
+USER linkbeam
+
+ENTRYPOINT ["/app/linkbeam"]
+CMD ["--config", "/app/config/config.yaml", "--output", "/app/dist/index.html"]