fix(Postgres Node): Close connection pool only

.actrc

@@ -0,0 +1,5 @@
+-P blacksmith-2vcpu-ubuntu-2204=ubuntu-latest
+-P blacksmith-4vcpu-ubuntu-2204=ubuntu-latest
+-P ubuntu-22.04=ubuntu-latest
+-P ubuntu-20.04=ubuntu-latest
+--container-architecture linux/amd64

.bundlemonrc.json

@@ -0,0 +1,30 @@
+{
+	"baseDir": "packages/frontend/editor-ui/dist",
+	"defaultCompression": "gzip",
+	"reportOutput": [
+		[
+			"github",
+			{
+				"checkRun": true,
+				"commitStatus": "off",
+				"prComment": true
+			}
+		]
+	],
+	"files": [
+		{
+			"path": "*.wasm",
+			"friendlyName": "WASM Dependencies"
+		}
+	],
+	"groups": [
+		{
+			"groupName": "Editor UI - Total JS Size",
+			"path": "**/*.js"
+		},
+		{
+			"groupName": "Editor UI - Total CSS Size",
+			"path": "**/*.css"
+		}
+	]
+}

.devcontainer/Dockerfile

@@ -0,0 +1,9 @@
+FROM n8nio/base:22
+
+RUN apk add --no-cache --update openssh sudo shadow bash
+RUN echo node ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/node && chmod 0440 /etc/sudoers.d/node
+RUN mkdir /workspaces && chown node:node /workspaces
+RUN npm install -g pnpm
+
+USER node
+RUN mkdir -p ~/.pnpm-store && pnpm config set store-dir ~/.pnpm-store --global

.devcontainer/devcontainer.json

@@ -0,0 +1,19 @@
+{
+	"name": "n8n",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "n8n",
+	"workspaceFolder": "/workspaces",
+	"mounts": [
+		"type=bind,source=${localWorkspaceFolder},target=/workspaces,consistency=cached",
+		"type=bind,source=${localEnv:HOME}/.ssh,target=/home/node/.ssh,consistency=cached",
+		"type=bind,source=${localEnv:HOME}/.n8n,target=/home/node/.n8n,consistency=cached"
+	],
+	"forwardPorts": [8080, 5678],
+	"postCreateCommand": "corepack prepare --activate && pnpm install",
+	"postAttachCommand": "pnpm build",
+	"customizations": {
+		"codespaces": {
+			"openFiles": ["CONTRIBUTING.md"]
+		}
+	}
+}

.devcontainer/docker-compose.yml

@@ -0,0 +1,24 @@
+volumes:
+  postgres-data:
+
+services:
+  postgres:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_DB=n8n
+      - POSTGRES_PASSWORD=password
+
+  n8n:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    volumes:
+      - ..:/workspaces:cached
+    command: sleep infinity
+    environment:
+      DB_POSTGRESDB_HOST: postgres
+      DB_TYPE: postgresdb
+      DB_POSTGRESDB_PASSWORD: password

.dockerignore

@@ -1,4 +1,7 @@
+# We want to include the THIRD_PARTY_LICENSES.md file in the Docker image,
+# but not other .md files
 **/*.md
+!**/THIRD_PARTY_LICENSES.md
 **/.env
 .cache
 assets
@@ -10,9 +13,9 @@ packages/**/.turbo
 packages/**/*.test.*
 .git
 .github
+!.github/scripts
 *.tsbuildinfo
-packages/cli/dist/**/e2e.*
 docker/compose
 docker/**/Dockerfile
 .vscode
-cypress
+packages/testing

.git-blame-ignore-revs

@@ -11,3 +11,8 @@
 # refactor: Run lintfix (no-changelog) (#7537)
 
 62c096710fab2f7e886518abdbded34b55e93f62
+
+# refactor: Move test files alongside tested files (#11504)
+
+7e58fc4fec468aca0b45d5bfe6150e1af632acbc
+f32b13c6ed078be042a735bc8621f27e00dc3116

.github/CODEOWNERS

@@ -1 +1,4 @@
-packages/cli/src/databases/migrations/ @n8n-io/migrations-review
+packages/@n8n/db/src/migrations/ @n8n-io/migrations-review
+
+# Node popularity data updates
+packages/frontend/editor-ui/data/node-popularity.json @n8n-io/catalysts

.github/ISSUE_TEMPLATE/01-bug.yml

@@ -4,7 +4,13 @@ body:
   - type: markdown
     attributes:
       value: |
-        Thanks for taking the time to fill out this bug report!
+        > ⚠️ This form is for reporting bugs only.
+        > ❌ Please do not use this form for general support, feature requests, or questions.
+        > 💬 For help and general inquiries, visit our [community support forum](https://community.n8n.io).
+        > ☁️ If you're experiencing issues with cloud instances not starting or license-related problems, contact [n8n support directly](mailto:help@n8n.io).
+        ---
+        Thank you for helping us improve n8n!
+        To ensure we can address your report efficiently, please fill out all sections in English and provide as much detail as possible.
   - type: textarea
     id: description
     attributes:
@@ -32,6 +38,13 @@ body:
       description: A clear and concise description of what you expected to happen
     validations:
       required: true
+  - type: textarea
+    id: debug-info
+    attributes:
+      label: Debug Info
+      description: This can be found under Help > About n8n > Copy debug information
+    validations:
+      required: true
   - type: markdown
     attributes:
       value: '## Environment'
@@ -53,7 +66,7 @@ body:
     id: nodejs-version
     attributes:
       label: Node.js Version
-      placeholder: ex. 18.16.0
+      placeholder: ex. 22.16.0
     validations:
       required: true
   - type: dropdown
@@ -72,11 +85,21 @@ body:
     id: execution-mode
     attributes:
       label: Execution mode
-      description: '[Info](https://docs.n8n.io/hosting/scaling/execution-modes-processes/)'
+      description: '[Info](https://docs.n8n.io/hosting/scaling/queue-mode/)'
       options:
         - main (default)
         - queue
         - own (deprecated)
       default: 0
     validations:
       required: true
+  - type: dropdown
+    id: hosting
+    attributes:
+      label: Hosting
+      options:
+        - n8n cloud
+        - self hosted
+      default: 0
+    validations:
+      required: true

.github/actionlint.yaml

@@ -0,0 +1,8 @@
+self-hosted-runner:
+  labels:
+    - blacksmith-2vcpu-ubuntu-2204
+    - blacksmith-4vcpu-ubuntu-2204
+    - blacksmith-2vcpu-ubuntu-2204-arm
+    - blacksmith-4vcpu-ubuntu-2204-arm
+    - blacksmith-8vcpu-ubuntu-2204
+    - ubuntu-slim

.github/actions/setup-nodejs-blacksmith/action.yml

@@ -0,0 +1,42 @@
+name: 'Blacksmith Node.js Build Setup'
+description: 'Configures Node.js with pnpm, installs dependencies, enables Turborepo caching, (optional) sets up Docker layer caching, and builds the project or an optional command.'
+
+inputs:
+  node-version:
+    description: 'Node.js version to use. Uses latest 22.x by default.'
+    required: false
+    default: '22.x'
+  enable-docker-cache:
+    description: 'Whether to set up Blacksmith Buildx for Docker layer caching.'
+    required: false
+    default: 'false'
+    type: boolean
+  build-command:
+    description: 'Command to execute for building the project or an optional command. Leave empty to skip build step.'
+    required: false
+    default: 'pnpm build'
+    type: string
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup Node.js
+      uses: useblacksmith/setup-node@65c6ca86fdeb0ab3d85e78f57e4f6a7e4780b391 # v5.0.4
+      with:
+        node-version: ${{ inputs.node-version }}
+
+    - name: Setup pnpm and Install Dependencies
+      uses: pnpm/action-setup@fe02b34f77f8bc703788d5817da081398fad5dd2 # v4.0.0
+      with:
+        run_install: true
+
+    - name: Configure Turborepo Cache
+      uses: useblacksmith/caching-for-turbo@bafb57e7ebdbf1185762286ec94d24648cd3938a # v1
+
+    - name: Setup Docker Builder for Docker Cache
+      if: ${{ inputs.enable-docker-cache == 'true' }}
+      uses: useblacksmith/setup-docker-builder@0b434dfbb431f4e3a2bcee7a773a56bd363184c5 # v1
+
+    - name: Build Project
+      run: ${{ inputs.build-command }}
+      shell: bash

.github/actions/setup-nodejs-github/action.yml

@@ -0,0 +1,33 @@
+name: 'GitHub Node.js Build Setup for Github Hosted Runners'
+description: 'Configures Node.js with pnpm, installs dependencies, enables Turborepo caching, and builds the project or an optional command.'
+
+inputs:
+  node-version:
+    description: 'Node.js version to use. Uses latest 22.x by default.'
+    required: false
+    default: '22.x'
+  build-command:
+    description: 'Command to execute for building the project or an optional command. Leave empty to skip build step.'
+    required: false
+    default: 'pnpm build'
+    type: string
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Setup Node.js
+      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+      with:
+        node-version: ${{ inputs.node-version }}
+
+    - name: Setup pnpm and Install Dependencies
+      uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+      with:
+        run_install: true
+
+    - name: Configure Turborepo Cache
+      uses: rharkor/caching-for-turbo@2b4b5b14a8d16b8556a58993a8ac331d56d8906d # v2.3.2
+
+    - name: Build Project
+      run: ${{ inputs.build-command }}
+      shell: bash

.github/docker-compose.yml

@@ -1,25 +1,33 @@
-version: '3.9'
-
 services:
-  mysql:
-    image: mysql:5.7
+  mariadb:
+    image: mariadb:10.5
+    environment:
+      - MARIADB_DATABASE=n8n
+      - MARIADB_ROOT_PASSWORD=password
+      - MARIADB_MYSQL_LOCALHOST_USER=true
+    ports:
+      - 3306:3306
+    tmpfs:
+      - /var/lib/mysql
+
+  mysql-8.4:
+    image: mysql:8.4
     environment:
       - MYSQL_DATABASE=n8n
       - MYSQL_ROOT_PASSWORD=password
     ports:
       - 3306:3306
-    ulimits:
-      nproc: 65535
-      nofile:
-        soft: 26677
-        hard: 46677
+    tmpfs:
+      - /var/lib/mysql
 
   postgres:
-    image: postgres:11
+    image: postgres:16
     restart: always
     environment:
       - POSTGRES_DB=n8n
-      - POSTGRES_USER=root
+      - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=password
     ports:
       - 5432:5432
+    tmpfs:
+      - /var/lib/postgresql/data

.github/pull_request_template.md

@@ -1,16 +1,29 @@
 ## Summary
-> Describe what the PR does and how to test. Photos and videos are recommended.
 
+<!--
+Describe what the PR does and how to test.
+Photos and videos are recommended.
+-->
 
+## Related Linear tickets, Github issues, and Community forum posts
 
-## Related tickets and issues
-> Include links to **Linear ticket** or Github issue or Community forum post. Important in order to close *automatically* and provide context to reviewers.
-
+<!--
+Include links to **Linear ticket** or Github issue or Community forum post.
+Important in order to close *automatically* and provide context to reviewers.
+https://linear.app/n8n/issue/
+-->
+<!-- Use "closes #<issue-number>", "fixes #<issue-number>", or "resolves #<issue-number>" to automatically close issues when the PR is merged. -->
 
 
 ## Review / Merge checklist
-- [ ] PR title and summary are descriptive. **Remember, the title automatically goes into the changelog. Use `(no-changelog)` otherwise.** ([conventions](https://github.com/n8n-io/n8n/blob/master/.github/pull_request_title_conventions.md))
+
+- [ ] PR title and summary are descriptive. ([conventions](../blob/master/.github/pull_request_title_conventions.md)) <!--
+   **Remember, the title automatically goes into the changelog.
+   Use `(no-changelog)` otherwise.**
+-->
 - [ ] [Docs updated](https://github.com/n8n-io/n8n-docs) or follow-up ticket created.
-- [ ] Tests included.
-   > A bug is not considered fixed, unless a test is added to prevent it from happening again.
-   > A feature is not complete without tests. 
+- [ ] Tests included. <!--
+   A bug is not considered fixed, unless a test is added to prevent it from happening again.
+   A feature is not complete without tests.
+-->
+- [ ] PR Labeled with `release/backport` (if the PR is an urgent fix that needs to be backported)