diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 9131cab6..18f479b9 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -4,7 +4,7 @@
   "dockerComposeFile": "../docker-compose.yml",
   "service": "app",
   "mounts": ["source=dind-var-lib-docker,target=/var/lib/docker,type=volume"],
-  "workspaceMount": "source=${localWorkspaceFolder}/openid-connect-generic,target=/workspaces,type=bind,consistency=delegated",
+  //"workspaceMount": "source=${localWorkspaceFolder}/openid-connect-generic,target=/workspaces,type=bind,consistency=delegated",
   "workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
 
   "customizations": {
@@ -52,14 +52,17 @@
   },
 
   // Use `onCreateCommand` to run commands as part of the container creation.
-  "onCreateCommand": "sudo chmod +x .devcontainer/install.sh && .devcontainer/install.sh",
+  "onCreateCommand": "chmod +x .devcontainer/install.sh && .devcontainer/install.sh",
 
   // Use 'postCreateCommand' to run commands after the container is created.
-  "postCreateCommand": "sudo chmod +x .devcontainer/setup.sh && .devcontainer/setup.sh",
+  "postCreateCommand": "chmod +x .devcontainer/setup.sh && .devcontainer/setup.sh",
 
   // Use 'postStartCommand' to run commands after the container has started.
   "postStartCommand": "cd /app && wp plugin activate daggerhart-openid-connect-generic",
 
   // Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
-  "remoteUser": "wp_php"
+  "remoteUser": "wp_php",
+
+  // A set of name-value pairs that sets or overrides environment variables for the devcontainer.json supporting service / tool (or sub-processes like terminals) but not the container as a whole.
+  "remoteEnv": { "LOCAL_WORKSPACE_FOLDER": "${localWorkspaceFolder}" }
 }
diff --git a/.devcontainer/install.sh b/.devcontainer/install.sh
index 1bed8541..d5e52de4 100755
--- a/.devcontainer/install.sh
+++ b/.devcontainer/install.sh
@@ -10,13 +10,14 @@ if [ ! -f /usr/local/bin/wp ]; then
 fi
 
 # Install specific Composer version.
-COMPOSER_VERSION=2.3.10
-if [ ! -f /usr/local/bin/composer ]; then
-	echo "Installing Composer ${COMPOSER_VERSION}..."
-	sudo curl -sS https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin --filename=composer --2 --version=${COMPOSER_VERSION}
-fi
+#COMPOSER_VERSION=2.3.10
+#if [ ! -f /usr/local/bin/composer ]; then
+#	echo "Installing Composer ${COMPOSER_VERSION}..."
+#	sudo curl -sS https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin --filename=composer --2 --version=${COMPOSER_VERSION}
+#fi
 
 # Copy the welcome message
 if [ ! -f /usr/local/etc/vscode-dev-containers/first-run-notice.txt ]; then
+	echo "Installing First Run Notice..."
 	sudo cp .devcontainer/welcome-message.txt /usr/local/etc/vscode-dev-containers/first-run-notice.txt
 fi
diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
index 63608d3c..fb27e52b 100755
--- a/.devcontainer/setup.sh
+++ b/.devcontainer/setup.sh
@@ -14,7 +14,7 @@ PLUGIN_DIR=/workspaces/openid-connect-generic
 
 # Install Composer dependencies.
 cd "${PLUGIN_DIR}"
-composer install
+composer install --prefer-dist
 
 # Install NPM dependencies.
 cd "${PLUGIN_DIR}"
diff --git a/.github/workflows/pr-unit-testing.yml b/.github/workflows/pr-unit-testing.yml
index 9554edcb..fea15c46 100644
--- a/.github/workflows/pr-unit-testing.yml
+++ b/.github/workflows/pr-unit-testing.yml
@@ -24,50 +24,32 @@ jobs:
       # https://github.com/marketplace/actions/checkout
       uses: actions/checkout@v2
 
-    - name: Get Composer Cache Directory
-      id: composer-cache
-      if: ${{ !env.ACT }}
-      run: echo "::set-output name=dir::$(composer config cache-files-dir)"
-
-    - name: Cache Composer dependencies
-      if: ${{ !env.ACT }}
-      uses: actions/cache@v2
-      env:
-        composer-cache-name: cache-composer
+    - name: Set Swap Space
+      uses: pierotofy/set-swap-space@master
       with:
-        path: ${{ steps.composer-cache.outputs.dir }}
-        key: ${{ runner.os }}-build-${{ env.composer-cache-name }}-wp-${{ env.WP_VERSION }}-v${{ env.ACTION_VERSION }}-${{ hashFiles('**/composer.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-build-${{ env.composer-cache-name }}-wp-${{ env.WP_VERSION }}-v${{ env.ACTION_VERSION }}-
+        swap-size-gb: 10
 
-    - name: Setup Node Environment
-      # https://github.com/marketplace/actions/setup-node-js-environment
-      uses: actions/setup-node@v2
-      with:
-        node-version-file: '.nvmrc'
-        cache: ${{ !env.ACT && 'npm' || '' }}
+    - name: Set up Docker BuildKit
+      # https://github.com/marketplace/actions/docker-setup-buildx
+      uses: docker/setup-buildx-action@v1
 
-    - name: Setup PHP & Composer Environment
-      # https://github.com/marketplace/actions/setup-php-action
-      uses: shivammathur/setup-php@v2
+    - name: Pre-build dev container image
+      uses: devcontainers/ci@v0.3
       with:
-        php-version: "${{ env.PHP_VERSION }}"
-        tools: "composer:${{ env.COMPOSER_VERSION }}"
-
-    - name: Environment Check
-      run: php -v && composer --version
-
-    - name: Require Specified WordPress Version
-      run: composer require johnpbloch/wordpress-core:${{ env.WP_VERSION }} php-stubs/wordpress-stubs:${{ env.WP_VERSION }} wp-phpunit/wp-phpunit:${{ env.WP_VERSION }} --dev --prefer-source --update-with-all-dependencies
-
-    - name: Install Composer Dependencies
-      run: composer install --prefer-dist
-
-    - name: NPM Setup
-      run: npm ci
-
-    - name: Unit Tests
-      run: npm run test
+        imageName: ghcr.io/oidc-wp/openid-connect-generic/openid-connect-generic-devcontainer
+        cacheFrom: ghcr.io/oidc-wp/openid-connect-generic/openid-connect-generic-devcontainer
+        # Control when images are pushed.
+        push: always
+
+    - name: Build Dev Container
+      # https://github.com/marketplace/actions/dev-container-build-and-run-action
+      uses: devcontainers/ci@v0.3
+      with:
+        cacheFrom: ghcr.io/oidc-wp/openid-connect-generic-devcontainer
+        # Control when images are pushed.
+        push: never
+        # Change this to be your CI task/script
+        runCmd: npm run test
 
     - name: Generate Coverage Report
       # https://github.com/marketplace/actions/coverage-report-as-comment-clover