diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 527784af4..0756a536d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,10 +12,16 @@ on:
 
 jobs:
   build:
+    strategy:
+      matrix:
+        build_target: [desktop]
+        build_type: [release]        
     runs-on: [ubuntu-22.04]
     env:
       # Those are read by rake script
-      BUILD_TYPE:  debug # release|debug
+      BUILD_TYPE: ${{ matrix.build_type }}  # release|debug
+      BUILD_TARGET: ${{ matrix.build_target }} # dektop|web
+      BUILD_DIR: ./out
       VERBOSE: true
     steps:
       - name: Git Checkout
@@ -29,7 +35,7 @@ jobs:
 
       - name: Install Dependencies
         shell: bash
-        run: sudo rake install --trace
+        run: rake install --trace
 
       - name: Build
         shell: bash
@@ -43,4 +49,4 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: nodable-${{ runner.os }}
-          path: build-${{env.BUILD_TYPE}}/bin/
\ No newline at end of file
+          path: ./out/bin/
\ No newline at end of file
diff --git a/rake/_utils.rb b/rake/_utils.rb
index d2af423ef..4a38ecb6f 100644
--- a/rake/_utils.rb
+++ b/rake/_utils.rb
@@ -6,24 +6,30 @@
 CXX_COMPILER       = "clang++-15"
 BUILD_OS           = RbConfig::CONFIG['build_os']
 HOST_OS            = RbConfig::CONFIG['host_os']
-TARGET_OS          = RbConfig::CONFIG['target_os']
+BUILD_TARGET       = (ENV["BUILD_TARGET"] || "desktop").downcase
 BUILD_TYPE         = (ENV["BUILD_TYPE"] || "release").downcase
 BUILD_TYPE_RELEASE = BUILD_TYPE == "release"
-BUILD_TYPE_DEBUG   = !BUILD_TYPE_RELEASE
-BUILD_DIR          = ENV["BUILD_DIR"]       || "build-#{BUILD_TYPE}"
+BUILD_TYPE_DEBUG   = BUILD_TYPE != "release"
+BUILD_DIR          = ENV["BUILD_DIR"] || "build-#{BUILD_TARGET}-#{BUILD_TYPE}"
 OBJ_DIR            = "#{BUILD_DIR}/obj"
 DEP_DIR            = "#{BUILD_DIR}/dep"
 BIN_DIR            = "#{BUILD_DIR}/bin"
 BUILD_OS_LINUX     = BUILD_OS.include?("linux")
 GITHUB_ACTIONS     = ENV["GITHUB_ACTIONS"]
 
+if BUILD_TARGET != "desktop" && BUILD_TARGET != "web"
+    raise "Unexpected value for TARGET, use desktop|web";
+end
+
 if VERBOSE
     system "echo Ruby version: && ruby -v"
     puts "BUILD_OS_LINUX:     #{BUILD_OS_LINUX}"
+    puts "BUILD_TARGET:       #{BUILD_TARGET}"
     puts "COMPILER_FOUND:     #{COMPILER_FOUND}"
     puts "BUILD_TYPE_RELEASE: #{BUILD_TYPE_RELEASE}"
     puts "BUILD_TYPE_DEBUG:   #{BUILD_TYPE_DEBUG}"
 end
+
 COMPILER_FOUND = system "#{C_COMPILER} --version" || false
 if not COMPILER_FOUND
     raise "Unable to find #{C_COMPILER} from path."
@@ -31,6 +37,7 @@
     raise "Unable to determine the operating system"
 end
 
+
 #---------------------------------------------------------------------------
 
 module TargetType
diff --git a/rake/ndbl.rb b/rake/ndbl.rb
index dd1b60d61..9aacfef57 100644
--- a/rake/ndbl.rb
+++ b/rake/ndbl.rb
@@ -92,7 +92,6 @@
     task :rebuild => ['clean', 'build']
     task :build => ['core:build', 'gui:build', 'app:build', 'test:build']
     task :test  => ['test:run']
-    task :pack  => ['app:pack']
 
     namespace :core do
         tasks_for_target( ndbl_core )
diff --git a/rakefile b/rakefile
index 0b114017b..afad5f1c4 100644
--- a/rakefile
+++ b/rakefile
@@ -20,4 +20,3 @@ end
 task :install => ['libs:install'] do puts "Install Libs DONE" end
 task :build => ['tools:build', 'ndbl:build'] do puts "Build DONE" end
 task :test  => ['tools:test', 'ndbl:test']
-task :pack  => ['ndbl:pack'] do puts "Pack DONE" end