Mnovich/temporal foreground tasks (#2895)

Co-authored-by: Carlos M. Lopez <carlopez@squareup.com>

temporal-service/build.sh

@@ -14,22 +14,40 @@ if [ ! -f "go.sum" ]; then
     go mod tidy
 fi
 
-# Build the service
-echo "Compiling Go binary..."
-go build -o temporal-service main.go
+# Determine binary name based on target OS
+BINARY_NAME="temporal-service"
+if [ "${GOOS:-}" = "windows" ]; then
+    BINARY_NAME="temporal-service.exe"
+fi
 
-# Make it executable
-chmod +x temporal-service
+# Build the service with cross-compilation support
+echo "Compiling Go binary..."
+if [ -n "${GOOS:-}" ] && [ -n "${GOARCH:-}" ]; then
+    echo "Cross-compiling for ${GOOS}/${GOARCH}..."
+    GOOS="${GOOS}" GOARCH="${GOARCH}" go build -o "${BINARY_NAME}" .
+else
+    echo "Building for current platform..."
+    go build -o "${BINARY_NAME}" .
+fi
+
+# Make it executable (skip on Windows as it's not needed)
+if [ "${GOOS:-}" != "windows" ]; then
+    chmod +x "${BINARY_NAME}"
+fi
 
 echo "Build completed successfully!"
-echo "Binary location: $(pwd)/temporal-service"
-echo ""
-echo "Prerequisites:"
-echo "  1. Install Temporal CLI: brew install temporal"
-echo "  2. Start Temporal server: temporal server start-dev"
-echo ""
-echo "To run the service:"
-echo "  ./temporal-service"
-echo ""
-echo "Environment variables:"
-echo "  PORT - HTTP port (default: 8080)"
+echo "Binary location: $(pwd)/${BINARY_NAME}"
+
+# Only show usage info if not cross-compiling
+if [ -z "${GOOS:-}" ] || [ "${GOOS}" = "$(go env GOOS)" ]; then
+    echo ""
+    echo "Prerequisites:"
+    echo "  1. Install Temporal CLI: brew install temporal"
+    echo "  2. Start Temporal server: temporal server start-dev"
+    echo ""
+    echo "To run the service:"
+    echo "  ./${BINARY_NAME}"
+    echo ""
+    echo "Environment variables:"
+    echo "  PORT - HTTP port (default: 8080)"
+fi