diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index d09c8a605..1340da91c 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -2,12 +2,7 @@
 
 # [Choice] Python version: 3, 3.9, 3.8, 3.7, 3.6
 ARG VARIANT="3"
-FROM mcr.microsoft.com/vscode/devcontainers/python:0-${VARIANT}
-
-# [Option] Install Node.js
-ARG INSTALL_NODE="true"
-ARG NODE_VERSION="lts/*"
-RUN if [ "${INSTALL_NODE}" = "true" ]; then su vscode -c "source /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
+FROM mcr.microsoft.com/devcontainers/python:0-${VARIANT}
 
 # [Optional] If your pip requirements rarely change, uncomment this section to add them to the image.
 # COPY requirements.txt /tmp/pip-tmp/
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 2a8e4712d..241acd79d 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -5,10 +5,7 @@
 		"context": "..",
 		"args": { 
 			// Update 'VARIANT' to pick a Python version: 3, 3.6, 3.7, 3.8, 3.9
-			"VARIANT": "3",
-			// Options
-			"INSTALL_NODE": "true",
-			"NODE_VERSION": "lts/*"
+			"VARIANT": "3"
 		}
 	},
 
@@ -54,7 +51,7 @@
 	// "forwardPorts": [],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "npm install",
+	"postCreateCommand": "bash -i -c 'nvm install && npm ci'",
 
 	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "vscode"
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e5fdfc5a3..2bac314f3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -38,6 +38,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@v4
       with:
+        node-version-file: '.nvmrc'
         cache: 'npm'
     - run: npm ci
     - name: Cache PlatformIO
@@ -74,7 +75,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20.x'
+          node-version-file: '.nvmrc'
           cache: 'npm'
       - run: npm ci
       - run: npm test
diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 000000000..10fef252a
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+20.18