diff --git a/README.md b/README.md
index 0929471..5d64f72 100644
--- a/README.md
+++ b/README.md
@@ -10,18 +10,19 @@ The recommended way to set up Drupal core for development is with the Composer
 project template `joachim-n/drupal-core-development-project`. This addon can
 also be used with Drupal installed directly on a git clone of core.
 
-```
+``` bash
+# Use either of step 1A or 1B.
 # 1A: Install with Composer project template (recommended)
 # If you already installed a project using the template following the
 # instructions in its README then skip to step 2.
-ddev config --project-type=drupal --php-version=8.3
+ddev config --project-type=drupal --docroot=web --php-version=8.3
 ddev start
 ddev composer create joachim-n/drupal-core-development-project
 ddev config --update
 ddev restart
 
-# 1B: Install directly on a git clone
-git clone https://git.drupalcode.org/project/drupal.git drupal
+# 1B: Install directly on a git clone (advanced)
+git clone --branch=11.x https://git.drupalcode.org/project/drupal.git drupal
 cd drupal
 ddev config --disable-settings-management
 ddev start
@@ -36,11 +37,24 @@ ddev drush si -y --account-pass==admin
 
 ## Running tests
 
-### PHPUnit tests
+### DDEV Commands Usage
 
+```bash
+ddev phpcs core/modules/user/src/RegisterForm.php (from repos/drupal directory)
+ddev phpcbf core/modules/user/src/RegisterForm.php (from repos/drupal directory)
+ddev phpstan core/modules/user/src/RegisterForm.php (from repos/drupal directory)
+ddev phpunit core/modules/user/tests/src/Functional/UserAdminTest.php (from repos/drupal directory)
+ddev code-check (ddev equivalent of running sh core/scripts/dev/commit-code-check.sh)
+ddev cspell-check (Checks for forbidden and new words which are not present in dictonary)
+ddev install (Installs new site)
+ddev drush [arguments] (from project root)
 ```
+
+### PHPUnit tests
+
+```bash
 # Run PHPUnit tests
-ddev phpunit web/core/modules/sdc
+ddev phpunit core/modules/sdc
 ```
 
 ### Nightwatch tests
@@ -50,42 +64,50 @@ for Chrome and https://drupal.ddev.site:7901 for Firefox. The password is
 "secret". YMMV using Firefox as core tests don't currently run on it.
 
 Only core tests
-```
+
+```bash
 ddev nightwatch --tag core
 ```
 
 Skip running core tests
-```
+
+```bash
 ddev nightwatch --skiptags core
 ```
 
 Run a single test
-```
+
+```bash
 ddev nightwatch tests/Drupal/Nightwatch/Tests/exampleTest.js
 ```
 
 a11y tests for both the admin and default themes
-```
+
+```bash
 ddev nightwatch --tag a11y
 ```
 
 a11y tests for the admin theme only
-```
+
+```bash
 ddev nightwatch --tag a11y:admin
 ```
 
 a11y tests for the default theme only
-```
+
+```bash
 ddev nightwatch --tag a11y:default
 ```
 
 a11y test for a custom theme used as the default theme
-```
+
+```bash
 ddev nightwatch --tag a11y:default --defaultTheme bartik
 ```
 
 a11y test for a custom admin theme
-```
+
+```bash
 ddev nightwatch --tag a11y:admin --adminTheme seven
 ```
 
@@ -93,7 +115,7 @@ ddev nightwatch --tag a11y:admin --adminTheme seven
 
 This will run static tests against core standards.
 
-```
+``` bash
 ddev drupal lint:phpstan
 ddev drupal lint:phpcs
 ddev drupal lint:js
diff --git a/commands/web/code-check b/commands/web/code-check
new file mode 100755
index 0000000..3ff81ff
--- /dev/null
+++ b/commands/web/code-check
@@ -0,0 +1,543 @@
+#!/bin/bash
+
+#ddev-generated
+
+## Description: This script performs code quality checks.
+## Usage: code-check [flags]
+## Example: "ddev code-check" or "ddev code-check --cached"
+
+# This script performs code quality checks.
+#
+# @internal
+#   This script is not covered by Drupal core's backwards compatibility promise.
+#   It exists only for core development purposes.
+#
+# The script makes the following checks:
+# - Spell checking.
+# - File modes.
+# - No changes to core/node_modules directory.
+# - PHPCS checks PHP and YAML files.
+# - PHPStan checks PHP files.
+# - ESLint checks JavaScript and YAML files.
+# - Stylelint checks CSS files.
+# - Checks .pcss.css and .css files are equivalent.
+
+# cSpell:disable
+
+TOP_LEVEL="/var/www/html/repos/drupal"
+cd $TOP_LEVEL/core
+
+printf "\033[0;33mIf you have just started DDEV wait for couple of minutes \n"
+printf "before using {ddev code-check} command, mutagen file sync of \n"
+printf "node_modules takes time.\n\033[0m"
+
+corepack enable
+
+echo "NPM Version :"
+npm --version
+
+echo "Yarn Version :"
+yarn --version
+
+# Installs dependencies if not already run.
+if [ ! -d /var/www/html/repos/drupal/core/node_modules/.bin ]; then
+
+  corepack enable
+
+  yarn --cwd /var/www/html/repos/drupal/core install
+
+fi
+
+cd $TOP_LEVEL
+
+# Searches an array.
+contains_element() {
+  local e
+  for e in ${@:2}; do [[ "$e" == "$1" ]] && return 0; done
+  return 1
+}
+
+CACHED=0
+DRUPALCI=0
+BRANCH=""
+while test $# -gt 0; do
+  case "$1" in
+    -h|--help)
+      echo "Drupal code quality checks"
+      echo " "
+      echo "options:"
+      echo "-h, --help                show brief help"
+      echo "--branch BRANCH           creates list of files to check by comparing against a branch"
+      echo "--cached                  checks staged files"
+      echo "--drupalci                a special mode for DrupalCI"
+      echo " "
+      echo "Example usage: sh ./core/scripts/dev/commit-code-check.sh --branch 9.2.x"
+      exit 0
+      ;;
+    --branch)
+      BRANCH="$2"
+      if [[ "$BRANCH" == "" ]]; then
+        printf "The --branch option requires a value. For example: --branch 9.2.x\n"
+        exit;
+      fi
+      shift 2
+      ;;
+    --cached)
+      CACHED=1
+      shift
+      ;;
+    --drupalci)
+      DRUPALCI=1
+      shift
+      ;;
+    *)
+      break
+      ;;
+  esac
+done
+
+# Set up variables to make colored output simple. Color output is disabled on
+# DrupalCI because it is breaks reporting.
+# @todo https://www.drupal.org/project/drupalci_testbot/issues/3181869
+if [[ "$DRUPALCI" == "1" ]]; then
+  red=""
+  green=""
+  reset=""
+  DRUPAL_VERSION=$(php -r "include 'vendor/autoload.php'; print preg_replace('#\.[0-9]+-dev#', '.x', \Drupal::VERSION);")
+  GIT="sudo -u www-data git"
+else
+  red=$(tput setaf 1 && tput bold)
+  green=$(tput setaf 2)
+  reset=$(tput sgr0)
+  GIT="git"
+fi
+
+# Gets list of files to check.
+if [[ "$BRANCH" != "" ]]; then
+  FILES=$($GIT diff --name-only $BRANCH HEAD);
+elif [[ "$CACHED" == "0" ]]; then
+  # For DrupalCI patch testing or when running without --cached or --branch,
+  # list of all changes in the working directory.
+  FILES=$($GIT ls-files --other --modified --exclude-standard --exclude=vendor --exclude=node_modules --exclude=sites --exclude=*.patch --exclude=*.diff --exclude=.DS_Store)
+else
+  # Check staged files only.
+  if $GIT rev-parse --verify HEAD >/dev/null 2>&1
+  then
+    AGAINST=HEAD
+  else
+    # Initial commit: diff against an empty tree object
+    AGAINST=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+  fi
+  FILES=$($GIT diff --cached --name-only $AGAINST);
+fi
+
+if [[ "$FILES" == "" ]] && [[ "$DRUPALCI" == "1" ]]; then
+  # If the FILES is empty we might be testing a merge request on DrupalCI. We
+  # need to diff against the Drupal branch or tag related to the Drupal version.
+  printf "Creating list of files to check by comparing branch to %s\n" "$DRUPAL_VERSION"
+  # On DrupalCI there's a merge commit so we can compare to HEAD~1.
+  FILES=$($GIT diff --name-only HEAD~1 HEAD);
+fi
+
+TOP_LEVEL=$($GIT rev-parse --show-toplevel)
+
+# This variable will be set to one when the file core/phpcs.xml.dist is changed.
+PHPCS_XML_DIST_FILE_CHANGED=0
+
+# This variable will be set to one when the files core/.phpstan-baseline.php or
+# core/phpstan.neon.dist are changed.
+PHPSTAN_DIST_FILE_CHANGED=0
+
+# This variable will be set to one when one of the eslint config file is
+# changed:
+#  - core/.eslintrc.passing.json
+#  - core/.eslintrc.json
+#  - core/.eslintrc.jquery.json
+ESLINT_CONFIG_PASSING_FILE_CHANGED=0
+
+# This variable will be set to one when the stylelint config file is changed.
+# changed:
+#  - core/.stylelintignore
+#  - core/.stylelintrc.json
+STYLELINT_CONFIG_FILE_CHANGED=0
+
+# This variable will be set to one when JavaScript packages files are changed.
+# changed:
+#  - core/package.json
+#  - core/yarn.lock
+JAVASCRIPT_PACKAGES_CHANGED=0
+
+# This variable will be set when a Drupal-specific CKEditor 5 plugin has changed
+# it is used to make sure the compiled JS is valid.
+CKEDITOR5_PLUGINS_CHANGED=0
+
+# This variable will be set to when the dictionary has changed.
+CSPELL_DICTIONARY_FILE_CHANGED=0
+
+# Build up a list of absolute file names.
+ABS_FILES=
+for FILE in $FILES; do
+  if [ -f "$TOP_LEVEL/$FILE" ]; then
+    ABS_FILES="$ABS_FILES $TOP_LEVEL/$FILE"
+  fi
+
+  if [[ $FILE == "core/phpcs.xml.dist" ]]; then
+    PHPCS_XML_DIST_FILE_CHANGED=1;
+  fi;
+
+  if [[ $FILE == "core/.phpstan-baseline.php" || $FILE == "core/phpstan.neon.dist" ]]; then
+    PHPSTAN_DIST_FILE_CHANGED=1;
+  fi;
+
+  if [[ $FILE == "core/.eslintrc.json" || $FILE == "core/.eslintrc.passing.json" || $FILE == "core/.eslintrc.jquery.json" ]]; then
+    ESLINT_CONFIG_PASSING_FILE_CHANGED=1;
+  fi;
+
+  if [[ $FILE == "core/.stylelintignore" || $FILE == "core/.stylelintrc.json" ]]; then
+    STYLELINT_CONFIG_FILE_CHANGED=1;
+  fi;
+
+  # If JavaScript packages change, then rerun all JavaScript style checks.
+  if [[ $FILE == "core/package.json" || $FILE == "core/yarn.lock" ]]; then
+    ESLINT_CONFIG_PASSING_FILE_CHANGED=1;
+    STYLELINT_CONFIG_FILE_CHANGED=1;
+    JAVASCRIPT_PACKAGES_CHANGED=1;
+  fi;
+
+  if [[ -f "$TOP_LEVEL/$FILE" ]] && [[ $FILE =~ \.js$ ]] && [[ $FILE =~ ^core/modules/ckeditor5/js/build || $FILE =~ ^core/modules/ckeditor5/js/ckeditor5_plugins ]]; then
+    CKEDITOR5_PLUGINS_CHANGED=1;
+  fi;
+
+  if [[ $FILE == "core/misc/cspell/dictionary.txt" || $FILE == "core/misc/cspell/drupal-dictionary.txt" ]]; then
+    CSPELL_DICTIONARY_FILE_CHANGED=1;
+  fi
+done
+
+# Exit early if there are no files.
+if [[ "$ABS_FILES" == "" ]]; then
+  printf "There are no files to check. If you have staged a commit use the --cached option.\n"
+  exit;
+fi;
+
+# This script assumes that composer install and yarn install have already been
+# run and all dependencies are updated.
+FINAL_STATUS=0
+
+DEPENDENCIES_NEED_INSTALLING=0
+# Ensure PHP development dependencies are installed.
+# @todo https://github.com/composer/composer/issues/4497 Improve this to
+#  determine if dependencies in the lock file match the installed versions.
+#  Using composer install --dry-run is not valid because it would depend on
+#  user-facing strings in Composer.
+if ! [[ -f 'vendor/bin/phpcs' ]]; then
+  printf "Drupal's PHP development dependencies are not installed. Run 'composer install' from the root directory.\n"
+  DEPENDENCIES_NEED_INSTALLING=1;
+fi
+
+cd "$TOP_LEVEL/core"
+
+# Ensure JavaScript development dependencies are installed.
+yarn --version
+yarn >/dev/null
+
+# Check all files for spelling in one go for better performance.
+if [[ $CSPELL_DICTIONARY_FILE_CHANGED == "1" ]] ; then
+  printf "\nRunning spellcheck on *all* files.\n"
+  yarn run spellcheck:core --no-must-find-files --no-progress
+else
+  # Check all files for spelling in one go for better performance. We pipe the
+  # list files in so we obey the globs set on the spellcheck:core command in
+  # core/package.json.
+  echo "${ABS_FILES}" | tr ' ' '\n' | yarn run spellcheck:core --no-must-find-files --file-list stdin
+fi
+
+if [ "$?" -ne "0" ]; then
+  # If there are failures set the status to a number other than 0.
+  FINAL_STATUS=1
+  printf "\nCSpell: ${red}failed${reset}\n"
+else
+  printf "\nCSpell: ${green}passed${reset}\n"
+fi
+cd "$TOP_LEVEL"
+
+# Add a separator line to make the output easier to read.
+printf "\n"
+printf -- '-%.0s' {1..100}
+printf "\n"
+
+# Run PHPStan on all files on DrupalCI or when phpstan files are changed.
+# APCu is disabled to ensure that the composer classmap is not corrupted.
+if [[ $PHPSTAN_DIST_FILE_CHANGED == "1" ]] || [[ "$DRUPALCI" == "1" ]]; then
+  printf "\nRunning PHPStan on *all* files.\n"
+  php -d apc.enabled=0 -d apc.enable_cli=0 vendor/bin/phpstan analyze --no-progress --configuration="$TOP_LEVEL/core/phpstan.neon.dist"
+else
+  # Only run PHPStan on changed files locally.
+  printf "\nRunning PHPStan on changed files.\n"
+  php -d apc.enabled=0 -d apc.enable_cli=0 vendor/bin/phpstan analyze --memory-limit=2G --no-progress --configuration="$TOP_LEVEL/core/phpstan-partial.neon" $ABS_FILES
+fi
+
+if [ "$?" -ne "0" ]; then
+  # If there are failures set the status to a number other than 0.
+  FINAL_STATUS=1
+  printf "\nPHPStan: ${red}failed${reset}\n"
+else
+  printf "\nPHPStan: ${green}passed${reset}\n"
+fi
+
+# Add a separator line to make the output easier to read.
+printf "\n"
+printf -- '-%.0s' {1..100}
+printf "\n"
+
+# Run PHPCS on all files on DrupalCI or when phpcs files are changed.
+if [[ $PHPCS_XML_DIST_FILE_CHANGED == "1" ]] || [[ "$DRUPALCI" == "1" ]]; then
+  # Test all files with phpcs rules.
+  vendor/bin/phpcs -ps --parallel="$( (nproc || sysctl -n hw.logicalcpu || echo 4) 2>/dev/null)" --standard="$TOP_LEVEL/core/phpcs.xml.dist"
+  PHPCS=$?
+  if [ "$PHPCS" -ne "0" ]; then
+    # If there are failures set the status to a number other than 0.
+    FINAL_STATUS=1
+    printf "\nPHPCS: ${red}failed${reset}\n"
+  else
+    printf "\nPHPCS: ${green}passed${reset}\n"
+  fi
+  # Add a separator line to make the output easier to read.
+  printf "\n"
+  printf -- '-%.0s' {1..100}
+  printf "\n"
+fi
+
+# When the eslint config has been changed, then eslint must check all files.
+if [[ $ESLINT_CONFIG_PASSING_FILE_CHANGED == "1" ]]; then
+  cd "$TOP_LEVEL/core"
+  yarn run lint:core-js-passing "$TOP_LEVEL/core"
+  CORRECTJS=$?
+  if [ "$CORRECTJS" -ne "0" ]; then
+    # If there are failures set the status to a number other than 0.
+    FINAL_STATUS=1
+    printf "\neslint: ${red}failed${reset}\n"
+  else
+    printf "\neslint: ${green}passed${reset}\n"
+  fi
+  cd $TOP_LEVEL
+  # Add a separator line to make the output easier to read.
+  printf "\n"
+  printf -- '-%.0s' {1..100}
+  printf "\n"
+fi
+
+# When the stylelint config has been changed, then stylelint must check all files.
+if [[ $STYLELINT_CONFIG_FILE_CHANGED == "1" ]]; then
+  cd "$TOP_LEVEL/core"
+  yarn run lint:css
+  if [ "$?" -ne "0" ]; then
+    # If there are failures set the status to a number other than 0.
+    FINAL_STATUS=1
+    printf "\nstylelint: ${red}failed${reset}\n"
+  else
+    printf "\nstylelint: ${green}passed${reset}\n"
+  fi
+  cd $TOP_LEVEL
+  # Add a separator line to make the output easier to read.
+  printf "\n"
+  printf -- '-%.0s' {1..100}
+  printf "\n"
+fi
+
+# When a Drupal-specific CKEditor 5 plugin changed ensure that it is compiled
+# properly. Only check on DrupalCI, since we're concerned about the build being
+# run with the expected package versions and making sure the result of the build
+# is in sync and conform to expectations.
+if [[ "$DRUPALCI" == "1" ]] && [[ $CKEDITOR5_PLUGINS_CHANGED == "1" ]]; then
+  cd "$TOP_LEVEL/core"
+  yarn run check:ckeditor5
+  if [ "$?" -ne "0" ]; then
+    # If there are failures set the status to a number other than 0.
+    FINAL_STATUS=1
+    printf "\nDrupal-specific CKEditor 5 plugins: ${red}failed${reset}\n"
+  else
+    printf "\nDrupal-specific CKEditor 5 plugins: ${green}passed${reset}\n"
+  fi
+  cd $TOP_LEVEL
+  # Add a separator line to make the output easier to read.
+  printf "\n"
+  printf -- '-%.0s' {1..100}
+  printf "\n"
+fi
+
+# When JavaScript packages change, then rerun all JavaScript style checks.
+if [[ "$JAVASCRIPT_PACKAGES_CHANGED" == "1" ]]; then
+  cd "$TOP_LEVEL/core"
+  yarn run build:css --check
+  CORRECTCSS=$?
+  if [ "$CORRECTCSS" -ne "0" ]; then
+    FINAL_STATUS=1
+    printf "\n${red}ERROR: The compiled CSS from the PCSS files"
+    printf "\n       does not match the current CSS files. Some added"
+    printf "\n       or updated JavaScript package made changes."
+    printf "\n       Recompile the CSS with: yarn run build:css${reset}\n\n"
+  fi
+  cd $TOP_LEVEL
+  # Add a separator line to make the output easier to read.
+  printf "\n"
+  printf -- '-%.0s' {1..100}
+  printf "\n"
+fi
+
+for FILE in $FILES; do
+  STATUS=0;
+  # Print a line to separate spellcheck output from per file output.
+  printf "Checking %s\n" "$FILE"
+  printf "\n"
+
+  # Ensure the file still exists (i.e. is not being deleted).
+  if [ -a $FILE ]; then
+    if [ ${FILE: -3} != ".sh" ]; then
+      if [ -x $FILE ]; then
+        printf "${red}check failed:${reset} file $FILE should not be executable\n"
+        STATUS=1
+      fi
+    fi
+  fi
+
+  # Don't commit changes to vendor.
+  if [[ "$FILE" =~ ^vendor/ ]]; then
+    printf "${red}check failed:${reset} file in vendor directory being committed ($FILE)\n"
+    STATUS=1
+  fi
+
+  # Don't commit changes to core/node_modules.
+  if [[ "$FILE" =~ ^core/node_modules/ ]]; then
+    printf "${red}check failed:${reset} file in core/node_modules directory being committed ($FILE)\n"
+    STATUS=1
+  fi
+
+  ############################################################################
+  ### PHP AND YAML FILES
+  ############################################################################
+  if [[ -f "$TOP_LEVEL/$FILE" ]] && [[ $FILE =~ \.(inc|install|module|php|profile|test|theme|yml)$ ]] && [[ $PHPCS_XML_DIST_FILE_CHANGED == "0" ]] && [[ "$DRUPALCI" == "0" ]]; then
+    # Test files with phpcs rules.
+    vendor/bin/phpcs "$TOP_LEVEL/$FILE" --standard="$TOP_LEVEL/core/phpcs.xml.dist"
+    PHPCS=$?
+    if [ "$PHPCS" -ne "0" ]; then
+      # If there are failures set the status to a number other than 0.
+      STATUS=1
+    else
+      printf "PHPCS: $FILE ${green}passed${reset}\n"
+    fi
+  fi
+
+  ############################################################################
+  ### YAML FILES
+  ############################################################################
+  if [[ -f "$TOP_LEVEL/$FILE" ]] && [[ $FILE =~ \.yml$ ]]; then
+    # Test files with ESLint.
+    cd "$TOP_LEVEL/core"
+    node ./node_modules/eslint/bin/eslint.js --quiet --resolve-plugins-relative-to . "$TOP_LEVEL/$FILE"
+    YAMLLINT=$?
+    if [ "$YAMLLINT" -ne "0" ]; then
+      # If there are failures set the status to a number other than 0.
+      STATUS=1
+    else
+      printf "ESLint: $FILE ${green}passed${reset}\n"
+    fi
+    cd $TOP_LEVEL
+  fi
+
+  ############################################################################
+  ### JAVASCRIPT FILES
+  ############################################################################
+  if [[ -f "$TOP_LEVEL/$FILE" ]] && [[ $FILE =~ \.js$ ]]; then
+    cd "$TOP_LEVEL/core"
+    # Check the coding standards.
+    node ./node_modules/eslint/bin/eslint.js --quiet --config=.eslintrc.passing.json "$TOP_LEVEL/$FILE"
+    JSLINT=$?
+    if [ "$JSLINT" -ne "0" ]; then
+      # No need to write any output the node command will do this for us.
+      STATUS=1
+    else
+      printf "ESLint: $FILE ${green}passed${reset}\n"
+    fi
+    cd $TOP_LEVEL
+  fi
+
+  ############################################################################
+  ### CSS FILES
+  ############################################################################
+  if [[ -f "$TOP_LEVEL/$FILE" ]] && [[ $FILE =~ \.css$ ]]; then
+    # Work out the root name of the CSS so we can ensure that the PostCSS
+    # version has been compiled correctly.
+    if [[ $FILE =~ \.pcss\.css$ ]]; then
+      BASENAME=${FILE%.pcss.css}
+      COMPILE_CHECK=1
+    else
+      BASENAME=${FILE%.css}
+      # We only need to compile check if the .pcss.css file is not also
+      # changing. This is because the compile check will occur for the
+      # .pcss.css file. This might occur if the compiled stylesheets have
+      # changed.
+      contains_element "$BASENAME.pcss.css" "${FILES[@]}"
+      HASPOSTCSS=$?
+      if [ "$HASPOSTCSS" -ne "0" ]; then
+        COMPILE_CHECK=1
+      else
+        COMPILE_CHECK=0
+      fi
+    fi
+    # PostCSS
+    if [[ "$COMPILE_CHECK" == "1" ]] && [[ -f "$TOP_LEVEL/$BASENAME.pcss.css" ]]; then
+      cd "$TOP_LEVEL/core"
+      yarn run build:css --check --file "$TOP_LEVEL/$BASENAME.pcss.css"
+      CORRECTCSS=$?
+      if [ "$CORRECTCSS" -ne "0" ]; then
+        # If the CSS does not match the PCSS, set the status to a number other
+        # than 0.
+        STATUS=1
+        printf "\n${red}ERROR: The compiled CSS from"
+        printf "\n       ${BASENAME}.pcss.css"
+        printf "\n       does not match its CSS file. Recompile the CSS with:"
+        printf "\n       yarn run build:css${reset}\n\n"
+      fi
+      cd $TOP_LEVEL
+    fi
+  fi
+  if [[ -f "$TOP_LEVEL/$FILE" ]] && [[ $FILE =~ \.css$ ]] && [[ -f "core/node_modules/.bin/stylelint" ]]; then
+    BASENAME=${FILE%.css}
+    # We only need to use stylelint on the .pcss.css file. So if this CSS file
+    # has a corresponding .pcss don't do stylelint.
+    if [[ $FILE =~ \.pcss\.css$ ]] || [[ ! -f "$TOP_LEVEL/$BASENAME.pcss.css" ]]; then
+      cd "$TOP_LEVEL/core"
+      node_modules/.bin/stylelint --allow-empty-input "$TOP_LEVEL/$FILE"
+      if [ "$?" -ne "0" ]; then
+        STATUS=1
+      else
+        printf "STYLELINT: $FILE ${green}passed${reset}\n"
+      fi
+      cd $TOP_LEVEL
+    fi
+  fi
+
+  if [[ "$STATUS" == "1" ]]; then
+    FINAL_STATUS=1
+    # There is no need to print a failure message. The fail will be described
+    # already.
+  else
+    printf "%s ${green}passed${reset}\n" "$FILE"
+  fi
+
+  # Print a line to separate each file's checks.
+  printf "\n"
+  printf -- '-%.0s' {1..100}
+  printf "\n"
+done
+
+if [[ "$FINAL_STATUS" == "1" ]] && [[ "$DRUPALCI" == "1" ]]; then
+  printf "${red}Drupal code quality checks failed.${reset}\n"
+  printf "To reproduce this output locally:\n"
+  printf "* Apply the change as a patch\n"
+  printf "* Run this command locally: sh ./core/scripts/dev/commit-code-check.sh\n"
+  printf "OR:\n"
+  printf "* From the merge request branch\n"
+  printf "* Run this command locally: sh ./core/scripts/dev/commit-code-check.sh --branch %s\n" "$DRUPAL_VERSION"
+fi
+exit $FINAL_STATUS
diff --git a/commands/web/cspell-check b/commands/web/cspell-check
new file mode 100755
index 0000000..be9a58f
--- /dev/null
+++ b/commands/web/cspell-check
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+#ddev-generated
+
+## Description: This script performs cspell checks.
+## Usage: cspell-check [flags]
+## Example: "ddev cspell-check"
+
+# Installs dependencies if not already run.
+if [ ! -d /var/www/html/repos/drupal/core/node_modules/.bin ]; then
+
+  corepack enable
+
+  yarn --cwd /var/www/html/repos/drupal/core install
+fi
+
+TOP_LEVEL="/var/www/html/repos/drupal/core"
+cd $TOP_LEVEL
+
+yarn run spellcheck:core --no-must-find-files --cache --cache-strategy content
diff --git a/commands/web/install b/commands/web/install
new file mode 100755
index 0000000..f14ddae
--- /dev/null
+++ b/commands/web/install
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+#ddev-generated
+
+## Description: Performs a default drupal installation
+## Usage: install
+## Example: "ddev install"
+
+drush site:install standard --account-name=admin --account-pass=admin --site-name="Drupal 11" -y
+# drush en admin_toolbar admin_toolbar_tools devel
diff --git a/commands/web/nightwatch b/commands/web/nightwatch
index b6bc976..954af04 100644
--- a/commands/web/nightwatch
+++ b/commands/web/nightwatch
@@ -1,10 +1,16 @@
 #!/bin/bash
 
 #ddev-generated
+
 ## Description: Run Nightwatch
 ## Usage: nightwatch
 ## Example: ddev nightwatch --tag core
 
 echo "Clearing old webdriver sessions"
 curl -f -s http://chrome:4444/status | jq -r '.value.nodes[].slots[].session.sessionId' | while read -r session; do if [ "$session" != "null" ]; then curl -X DELETE "http://chrome:4444/session/$session"; fi; done
-cd web/core && yarn test:nightwatch "$@"
+
+if [ ! -d /var/www/html/repos/drupal/core/node_modules ]; then
+  yarn --cwd /var/www/html/repos/drupal/core install
+fi
+
+yarn --cwd /var/www/html/repos/drupal/core test:nightwatch $@
diff --git a/commands/web/phpcbf b/commands/web/phpcbf
new file mode 100755
index 0000000..1854bb0
--- /dev/null
+++ b/commands/web/phpcbf
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+#ddev-generated
+
+## Description: Run phpcbf
+## Usage: phpcbf [flags] [args]
+## Example: "ddev phpcbf core/modules/user/src/RegisterForm.php"
+
+TOP_LEVEL="/var/www/html/repos/drupal"
+cd $TOP_LEVEL
+
+if ! command -v /var/www/html/vendor/bin/phpcbf >/dev/null; then
+  echo "phpcbf is not in PATH in the web container. You probably forgot to 'ddev composer install'"
+  exit 2
+fi
+
+/var/www/html/vendor/bin/phpcbf --standard="$TOP_LEVEL/core/phpcs.xml.dist" $@ || \
+echo "Return code ignored"
diff --git a/commands/web/phpcs b/commands/web/phpcs
new file mode 100755
index 0000000..7355ead
--- /dev/null
+++ b/commands/web/phpcs
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+#ddev-generated
+
+## Description: Run phpcs
+## Usage: phpcs [flags] [args]
+## Example: "ddev phpcs core/modules/user/src/RegisterForm.php"
+
+TOP_LEVEL="/var/www/html/repos/drupal"
+cd $TOP_LEVEL
+
+if ! command -v /var/www/html/vendor/bin/phpcs >/dev/null; then
+  echo "phpcs is not in PATH in the web container. You probably forgot to 'ddev composer install'"
+  exit 2
+fi
+
+/var/www/html/vendor/bin/phpcs --standard="$TOP_LEVEL/core/phpcs.xml.dist" $@ || \
+echo "Return code ignored"
diff --git a/commands/web/phpstan b/commands/web/phpstan
new file mode 100755
index 0000000..90cefdd
--- /dev/null
+++ b/commands/web/phpstan
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+#ddev-generated
+
+## Description: Run phpstan
+## Usage: phpstan [flags] [args]
+## Example: "ddev phpstan core/modules/migrate_drupal_ui"
+
+TOP_LEVEL="/var/www/html/repos/drupal"
+cd $TOP_LEVEL
+
+if ! command -v /var/www/html/vendor/bin/phpstan >/dev/null; then
+  echo "phpstan is not in PATH in the web container. You probably forgot to 'ddev composer install'"
+  exit 2
+fi
+
+/var/www/html/vendor/bin/phpstan analyze  --configuration="$TOP_LEVEL/core/phpstan.neon.dist" --xdebug --no-ansi --memory-limit=2G $@ || \
+echo "Return code ignored"
diff --git a/commands/web/phpunit b/commands/web/phpunit
index 37984d3..3e4480f 100644
--- a/commands/web/phpunit
+++ b/commands/web/phpunit
@@ -1,23 +1,28 @@
 #!/bin/bash
 
 #ddev-generated
+
 ## Description: Run PHPUnit
 ## Usage: phpunit
-## Example: "ddev phpunit core/modules/field"
+## Example: "ddev phpunit core/modules/user/tests/src/Functional/UserAdminTest.php"
+
+TOP_LEVEL="/var/www/html/repos/drupal"
+cd $TOP_LEVEL
 
-if ! command -v phpunit >/dev/null; then
+if ! command -v /var/www/html/vendor/bin/phpunit >/dev/null; then
   echo "phpunit is not in PATH in the web container. You probably forgot to 'ddev composer install'"
   exit 2
 fi
+
 echo "Clearing old webdriver sessions"
 curl -f -s http://chrome:4444/status | jq -r '.value.nodes[].slots[].session.sessionId' | while read -r session; do if [ "$session" != "null" ]; then curl -X DELETE "http://chrome:4444/session/$session"; fi; done
 
 # Prefer a phpunit.xml file in the project root if one exists; fall back on the
 # one in core if not.
-if [ ! -f 'phpunit.xml' ]; then
-  phpunit_c_option="-c core"
+if [ ! -f '/var/www/html/phpunit.xml' ]; then
+  PHPUNIT_C_OPTION="-c /var/www/html/web/core/phpunit.xml.dist"
 else
-  phpunit_c_option=""
+  PHPUNIT_C_OPTION=""
 fi
 
-phpunit $phpunit_c_option "$@"
+/var/www/html/vendor/bin/phpunit $PHPUNIT_C_OPTION "$@"
diff --git a/commands/web/tests-cleanup b/commands/web/tests-cleanup
new file mode 100755
index 0000000..b128b67
--- /dev/null
+++ b/commands/web/tests-cleanup
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+#ddev-generated
+
+## Description: Clean up test results
+## Usage: tests-cleanup
+## Example: "ddev tests-cleanup"
+
+TOP_LEVEL="/var/www/html"
+cd $TOP_LEVEL
+
+if [ ! -d "./test_output" ]
+then
+  echo "The expected folder test_output does not exist."
+  exit 2
+fi
+
+rm ./test_output/*.counter
+rm ./test_output/*.html
+
+echo "Test files removed."
diff --git a/config.ddev-drupal-core-dev.yaml b/config.ddev-drupal-core-dev.yaml
index 6c12f31..554b0e4 100644
--- a/config.ddev-drupal-core-dev.yaml
+++ b/config.ddev-drupal-core-dev.yaml
@@ -8,3 +8,14 @@ upload_dirs:
 # but with DDEV + mutagen that isn't possible.
 # so just redirect the upload_dirs.
     - .ddev/tmp
+web_environment:
+    - BROWSERTEST_OUTPUT_DIRECTORY=/var/www/html/test_output
+    - BROWSERTEST_OUTPUT_BASE_URL=${DDEV_PRIMARY_URL}
+    - SIMPLETEST_BASE_URL=${DDEV_PRIMARY_URL}
+    - SIMPLETEST_DB=mysql://root:root@db/phpunit
+corepack_enable: true
+nodejs_version: "20"
+hooks:
+    post-start:
+        - exec: mysql -uroot -proot -e "CREATE DATABASE IF NOT EXISTS phpunit; GRANT ALL ON phpunit.* to 'db'@'%';"
+          service: db
diff --git a/install.yaml b/install.yaml
index f8717de..582f9cb 100644
--- a/install.yaml
+++ b/install.yaml
@@ -10,6 +10,13 @@ project_files:
   - commands/web/drupal
   - commands/web/phpunit
   - commands/web/nightwatch
+  - commands/web/install
+  - commands/web/code-check
+  - commands/web/cspell-check
+  - commands/web/phpcbf
+  - commands/web/phpcs
+  - commands/web/phpstan
+  - commands/web/tests-cleanup
   - core-dev/gitignore
   - core-dev/.env
   - core-dev/src/Command/AdminLoginCommand.php
@@ -26,20 +33,21 @@ project_files:
   - core-dev/src/Command/LintCommand.php
 
 post_install_actions:
-  - cp core-dev/phpunit-chrome.xml ../phpunit.xml
+  - cp ../repos/drupal/core/phpunit.xml.dist ../phpunit.xml
   - perl -pi -e "s|DRUPAL_CORE_DDEV_URL|$DDEV_PRIMARY_URL|g" ../phpunit.xml
   - perl -pi -e "'$DDEV_DOCROOT' and s|DDEV_DOCROOT|$DDEV_DOCROOT/|g" ../phpunit.xml
   - cp core-dev/.env ../.env
   - cp core-dev/gitignore ../.gitignore
   - mkdir -p ../test_output
-  - chmod +w ../test_output
-  - cd ../web/core && ddev yarn
+  - chmod -R 777 ../test_output
+  # - cd ../web/core && ddev yarn
 
 removal_actions:
   - |
-    for item in ../core/phpunit.xml ../core/.env ../.gitignore; do
+    for item in ../phpunit.xml ../.env ../.gitignore; do
       if grep '#ddev-generated' ${item} >/dev/null; then
         rm -f ${item}
       fi
     done
+  - echo removing test_output directory
   - rm -rf ../test_output