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Dockerfile

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+# Multi-stage build for AI Trading Application (Pure Go, no CGO)
+FROM golang:1.26-alpine AS builder
+
+WORKDIR /build
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application (static binary, no CGO, migrations embedded)
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
+    -a \
+    -installsuffix cgo \
+    -ldflags="-w -s -extldflags '-static'" \
+    -o aitrade \
+    ./cmd/aitrade
+
+# Build healthcheck utility
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
+    -ldflags="-w -s -extldflags '-static'" \
+    -o healthcheck \
+    ./cmd/healthcheck
+
+# Runtime stage - Google Distroless (minimal, secure, with CA certs and tzdata)
+FROM gcr.io/distroless/static-debian12:nonroot
+
+# Set working directory
+WORKDIR /app
+
+# Copy binary from builder (migrations are embedded in binary)
+COPY --from=builder /build/aitrade /app/aitrade
+
+# Copy healthcheck utility
+COPY --from=builder /build/healthcheck /app/healthcheck
+
+# Note: Distroless runs as nonroot user (UID 65532) by default
+# Data directory needs to be mounted with correct permissions:
+# mkdir -p data && chown 65532:65532 data
+
+# Expose web port
+EXPOSE 8080
+
+# Health check using custom binary (lightweight, no curl/wget needed)
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD ["/app/healthcheck", "localhost", "8080"]
+
+# Run application
+ENTRYPOINT ["/app/aitrade"]