diff --git a/.devcontainer b/.devcontainer
new file mode 160000
index 0000000..92bdede
--- /dev/null
+++ b/.devcontainer
@@ -0,0 +1 @@
+Subproject commit 92bdede51d8073f85b4cb83da24a01f267ce0059
diff --git a/.github/workflows/xpbuild.yml b/.github/workflows/xpbuild.yml
new file mode 100644
index 0000000..0a88aa8
--- /dev/null
+++ b/.github/workflows/xpbuild.yml
@@ -0,0 +1,19 @@
+name: Build
+on:
+  push:
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+  workflow_dispatch:
+jobs:
+  linux:
+    permissions:
+      contents: read
+      pull-requests: write
+      packages: write
+    uses: externpro/externpro/.github/workflows/build-linux.yml@25.06.3
+    with:
+      artifact-pattern: "${{ github.event.repository.name }}-*.rpm"
+      cmake-workflow-preset: LinuxRelease
+      buildpro-images: '["rocky9-gcc13"]'
+    secrets: inherit
diff --git a/.github/workflows/xprelease.yml b/.github/workflows/xprelease.yml
new file mode 100644
index 0000000..3fa36f6
--- /dev/null
+++ b/.github/workflows/xprelease.yml
@@ -0,0 +1,20 @@
+name: Release
+on:
+  workflow_dispatch:
+    inputs:
+      workflow_run_url:
+        description: 'URL of the workflow run containing artifacts to upload (e.g., https://github.com/owner/repo/actions/runs/123456789)'
+        required: true
+        type: string
+jobs:
+  # Upload build artifacts as release assets
+  release-from-build:
+    uses: externpro/externpro/.github/workflows/release-from-build.yml@25.06.3
+    with:
+      workflow_run_url: ${{ github.event.inputs.workflow_run_url }}
+      artifact_pattern: "*.rpm"
+    permissions:
+      contents: write
+      id-token: write
+      attestations: write
+    secrets: inherit
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4ec8e4d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+# externpro
+.env
+_bld*/
+docker-compose.override.yml
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..18932ab
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule ".devcontainer"]
+	path = .devcontainer
+	url = https://github.com/externpro/externpro
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..0b0ea6e
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,30 @@
+cmake_minimum_required(VERSION 3.31)
+set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Build configuration")
+set(CMAKE_PROJECT_TOP_LEVEL_INCLUDES .devcontainer/cmake/xproinc.cmake)
+project(cmake-pkg VERSION 3.31.6 LANGUAGES CXX)
+# https://github.com/Kitware/CMake/releases/tag/v3.31.6
+# https://github.com/Kitware/CMake/releases/download/v3.31.6/cmake-3.31.6-linux-x86_64.tar.gz
+# https://github.com/Kitware/CMake/releases/download/v3.31.6/cmake-3.31.6-linux-aarch64.tar.gz
+set(sha_aarch64 b4cc788d63112b2749b40627e719eb5d3b8ed8f00c36d77189f4019cfe64bc9e)
+set(sha_x86_64 5a1133ff103c71eb5120e2cc3de922733e7d8a26a98ae716397e8676adb367bf)
+set(REPO https://github.com/Kitware/CMake)
+string(TOLOWER ${CMAKE_SYSTEM_NAME} os)
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|amd64|AMD64)$")
+  set(arch "x86_64")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm64|ARM64)$")
+  set(arch "aarch64")
+endif()
+set(url ${REPO}/releases/download/v${PROJECT_VERSION}/cmake-${PROJECT_VERSION}-${os}-${arch}.tar.gz)
+set(opt DOWNLOAD_EXTRACT_TIMESTAMP true)
+include(FetchContent)
+FetchContent_Declare(cmake ${opt} URL ${url} URL_HASH SHA256=${sha_${arch}})
+FetchContent_MakeAvailable(cmake)
+install(DIRECTORY ${cmake_SOURCE_DIR}/ DESTINATION . USE_SOURCE_PERMISSIONS)
+set(CPACK_GENERATOR RPM)
+set(CPACK_RPM_PACKAGE_ARCHITECTURE ${arch})
+# https://github.com/externpro/externpro/issues/53
+set(CPACK_RPM_SPEC_MORE_DEFINE "%define _build_id_links none")
+set(CPACK_PACKAGING_INSTALL_PREFIX "/usr/local")
+set(CPACK_PACKAGE_VERSION v${PROJECT_VERSION})
+set(CPACK_SYSTEM_NAME ${os}-${arch})
+include(CPack)
diff --git a/CMakePresets.json b/CMakePresets.json
new file mode 100644
index 0000000..621cce6
--- /dev/null
+++ b/CMakePresets.json
@@ -0,0 +1,6 @@
+{
+  "version": 8,
+  "include": [
+    ".devcontainer/cmake/presets/xpLinuxNinja.json"
+  ]
+}
diff --git a/CMakePresetsBase.json b/CMakePresetsBase.json
new file mode 100644
index 0000000..085cdc3
--- /dev/null
+++ b/CMakePresetsBase.json
@@ -0,0 +1,16 @@
+{
+  "version": 8,
+  "configurePresets": [
+    {
+      "name": "config-base",
+      "hidden": true,
+      "binaryDir": "${sourceDir}/_bld-${presetName}"
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "build-base",
+      "hidden": true
+    }
+  ]
+}
diff --git a/docker-compose.sh b/docker-compose.sh
new file mode 120000
index 0000000..85f182f
--- /dev/null
+++ b/docker-compose.sh
@@ -0,0 +1 @@
+.devcontainer/compose.pro.sh
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 120000
index 0000000..46c1f89
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1 @@
+.devcontainer/compose.bld.yml
\ No newline at end of file