feat: Initial Dev Containers setup (no-changelog)

.devcontainer/Dockerfile

@@ -0,0 +1,7 @@
+FROM n8nio/base:20
+
+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
+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 +1,23 @@
+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_TYPE: postgresdb
+      DB_POSTGRESDB_PASSWORD: password

.npmrc

@@ -9,3 +9,6 @@ hoist = true
 shamefully-hoist = true
 hoist-workspace-packages = false
 loglevel = warn
+package-manager-strict=false
+# https://github.com/pnpm/pnpm/issues/7024
+package-import-method=clone-or-copy

CONTRIBUTING.md

@@ -9,6 +9,7 @@ Great that you are here and you want to contribute to n8n
 	- [Code of conduct](#code-of-conduct)
 	- [Directory structure](#directory-structure)
 	- [Development setup](#development-setup)
+		- [Dev Container](#dev-container)
 		- [Requirements](#requirements)
 			- [Node.js](#nodejs)
 			- [pnpm](#pnpm)
@@ -60,6 +61,10 @@ The most important directories:
 If you want to change or extend n8n you have to make sure that all the needed
 dependencies are installed and the packages get linked correctly. Here's a short guide on how that can be done:
 
+### Dev Container
+
+If you already have VS Code and Docker installed, you can click [here](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/n8n-io/n8n) to get started. Clicking these links will cause VS Code to automatically install the Dev Containers extension if needed, clone the source code into a container volume, and spin up a dev container for use.
+
 ### Requirements
 
 #### Node.js

n8n.code-workspace

@@ -0,0 +1,7 @@
+{
+	"folders": [
+		{
+			"path": ".",
+		},
+	],
+}