feat: add dockerfile

Dockerfile

@@ -0,0 +1,29 @@
+FROM golang:1.23-alpine as builder
+
+# Set the working directory
+WORKDIR /app
+
+# Copy and download dependencies
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the source code
+COPY . .
+
+# Build the Go application
+RUN go build -o server .
+
+# Create a minimal runtime image
+FROM alpine:latest
+
+# Set the working directory
+WORKDIR /root/
+
+# Copy the compiled binary from the builder
+COPY --from=builder /app/server .
+
+# Expose the application port (e.g., 8080)
+EXPOSE 8080
+
+# Run the application
+CMD ["./server"]