chore: optimize binary size with UPX compression (14MB→3-5MB)

- Add UPX compression to GitHub Actions release workflow
- Add build-release target in Makefile for local optimized builds
- Add -trimpath flag to remove filesystem paths from binary
- Bump version to 0.18.2

Author: fullstackjam

.github/workflows/release.yml

@@ -39,7 +39,17 @@ jobs:
           GOARCH: ${{ matrix.arch }}
           CGO_ENABLED: '0'
         run: |
-          go build -ldflags="-s -w" -o openboot-${{ matrix.os }}-${{ matrix.arch }} ./cmd/openboot
+          go build -ldflags="-s -w" -trimpath -o openboot-${{ matrix.os }}-${{ matrix.arch }} ./cmd/openboot
+
+      - name: Install UPX
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y upx-ucl
+
+      - name: Compress with UPX
+        run: |
+          upx --best --lzma openboot-${{ matrix.os }}-${{ matrix.arch }}
+          ls -lh openboot-${{ matrix.os }}-${{ matrix.arch }}
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4

Makefile

@@ -29,5 +29,17 @@ test-all:
 build:
 	go build -o $(BINARY_PATH) ./cmd/openboot
 
+build-release:
+	@echo "Building optimized release binary..."
+	go build -ldflags="-s -w" -trimpath -o $(BINARY_PATH) ./cmd/openboot
+	@echo "Original size: $$(du -h $(BINARY_PATH) | cut -f1)"
+	@if command -v upx >/dev/null 2>&1; then \
+		echo "Compressing with UPX..."; \
+		upx --best --lzma $(BINARY_PATH); \
+		echo "Compressed size: $$(du -h $(BINARY_PATH) | cut -f1)"; \
+	else \
+		echo "UPX not found. Install with: brew install upx"; \
+	fi
+
 clean:
 	rm -f $(BINARY_PATH) $(COVERAGE_FILE) $(COVERAGE_HTML)

internal/cli/root.go

@@ -11,7 +11,7 @@ import (
 )
 
 var (
-	version = "0.18.1"
+	version = "0.18.2"
 	cfg     = &config.Config{}
 )