initial commit

backend/Dockerfile

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+# Build stage
+FROM golang:1.22 AS builder
+WORKDIR /app
+COPY go.mod ./
+COPY main.go ./
+RUN go mod tidy
+RUN go build -o backend main.go
+
+# Run stage
+FROM debian:bookworm-slim
+WORKDIR /app
+COPY --from=builder /app/backend .
+EXPOSE 8080
+CMD ["./backend"]