init

backend/Dockerfile

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+# Build stage
+FROM golang:1.26.5-alpine AS builder
+
+WORKDIR /app
+
+# Install git and ca-certificates (needed for go modules and HTTPS)
+RUN apk add --no-cache git ca-certificates
+
+# Copy dependency files first for better layer caching
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY *.go ./
+
+# Build a static binary
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o backend .
+
+# Runtime stage
+FROM alpine:latest
+
+WORKDIR /app
+
+# Copy the binary from the builder stage
+COPY --from=builder /app/backend .
+
+# Expose the port Gin listens on
+EXPOSE 8080
+
+# Run the backend
+CMD ["./backend"]