diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index f9fef65..218ccf9 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -6,7 +6,7 @@ RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list && \
 
 # Install MariaDB client and dependencies
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-    && apt-get install -y mariadb-client libpng-dev libjpeg-dev libfreetype6-dev libgmp-dev redis nginx nodejs npm yarn
+    && apt-get install -y mariadb-client libpng-dev libjpeg-dev libfreetype6-dev libgmp-dev redis nginx
     # && apt-get clean -y && rm -rf /var/lib/apt/lists/*
 
 RUN \
@@ -61,5 +61,20 @@ RUN chmod 0755 /bin/start-nginx \
     && chmod 0755 /bin/start \
     && chmod -R 0755 /etc/redis
 
-# [Optional] Uncomment this line to install global node packages.
-# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
+# Node.js env setup
+# ref: https://nodejs.org/en/download/package-manager#debian-and-ubuntu-based-linux-distributions
+#   -> https://github.com/nodesource/distributions
+
+RUN \
+    sudo apt-get update; \
+    sudo apt-get install -y ca-certificates curl gnupg; \
+    sudo mkdir -p /etc/apt/keyrings; \
+    curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg; \
+    curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -; \
+    echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list; \
+    # set env
+    NODE_MAJOR=18; \
+    echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | sudo tee /etc/apt/sources.list.d/nodesource.list; \
+    # install
+    sudo apt-get update; \
+    sudo apt-get install nodejs yarn -y
diff --git a/composer.json b/composer.json
index f295d6b..ad29c79 100644
--- a/composer.json
+++ b/composer.json
@@ -86,7 +86,12 @@
     },
     "minimum-stability": "beta",
     "prefer-stable": true,
-    "repositories": [],
+    "repositories": [
+        {
+            "type": "path",
+            "url": "packages/*"
+        }
+    ],
     "extra": {
         "patches": {
             "fof/upload": [
diff --git a/composer.lock b/composer.lock
index c0d53bc..1bdc049 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "66b55362840da8c01195a5d46d1e0c21",
+    "content-hash": "1dcac109782e715444fad48e667dff76",
     "packages": [
         {
             "name": "afrux/forum-widgets-core",
diff --git a/packages/.gitkeep b/packages/.gitkeep
new file mode 100644
index 0000000..e69de29