Move from asdf to Dev Container

.devcontainer/Dockerfile

@@ -0,0 +1,21 @@
+# Creates development machine inside docker
+# so every developer will have the same environment
+
+FROM node:22.1.0-alpine
+
+RUN apk update \
+  && apk add --no-cache zsh git eza tig ripgrep bat curl micro starship \
+  && rm -rf /var/cache/apk/*
+RUN npm install -g [email protected]
+RUN sed -i 's|/node:/bin/sh|/node:/bin/zsh|' /etc/passwd
+
+USER node
+
+RUN pnpm config set store-dir /home/node/.local/share/pnpm/store \
+  && pnpm config set ignore-scripts false
+
+RUN micro -plugin install editorconfig
+RUN mkdir -p /home/node/.config \
+  && echo 'eval "$(starship init zsh)"' >> /home/node/.zshrc
+RUN printf 'format = "$directory$git_branch$line_break$character"' \
+  > /home/node/.config/starship.toml

.devcontainer/docker/devcontainer.json

@@ -0,0 +1,24 @@
+{
+  "build": {
+    "context": "..",
+    "dockerfile": "../Dockerfile"
+  },
+  "forwardPorts": [5173, 5284, 6006],
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "connor4312.nodejs-testing",
+        "dbaeumer.vscode-eslint",
+        "esbenp.prettier-vscode",
+        "stylelint.vscode-stylelint",
+        "svelte.svelte-vscode",
+        "webben.browserslist",
+        "yoavbls.pretty-ts-errors",
+        "streetsidesoftware.code-spell-checker",
+        "editorconfig.editorconfig",
+        "yzhang.markdown-all-in-one",
+        "davidlday.languagetool-linter"
+      ]
+    }
+  }
+}

.devcontainer/podman/devcontainer.json

@@ -0,0 +1,41 @@
+{
+  "build": {
+    "context": "..",
+    "dockerfile": "../Dockerfile"
+  },
+  "forwardPorts": [5173, 5284, 6006],
+  "mounts": [
+    {
+      "source": "pnpm-store",
+      "target": "/home/node/.local/share/pnpm/store",
+      "type": "volume"
+    },
+    {
+      "source": "shell-history",
+      "target": "/home/node/.shell-history/",
+      "type": "volume"
+    }
+  ],
+  "workspaceMount": "",
+  "runArgs": [
+    "--userns=keep-id:uid=1000,gid=1000",
+    "--volume=${localWorkspaceFolder}:/workspaces/${localWorkspaceFolderBasename}:Z"
+  ],
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "connor4312.nodejs-testing",
+        "dbaeumer.vscode-eslint",
+        "esbenp.prettier-vscode",
+        "stylelint.vscode-stylelint",
+        "svelte.svelte-vscode",
+        "webben.browserslist",
+        "yoavbls.pretty-ts-errors",
+        "streetsidesoftware.code-spell-checker",
+        "editorconfig.editorconfig",
+        "yzhang.markdown-all-in-one",
+        "davidlday.languagetool-linter"
+      ]
+    }
+  }
+}

.github/workflows/docs.yml

@@ -25,8 +25,13 @@ jobs:
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
-      - name: Install tools from asdf config
-        uses: ai/asdf-cache-action@v1
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: pnpm
       - name: Install dependencies
         run: pnpm install --ignore-scripts
       - name: Check docs

.github/workflows/main.yml

@@ -7,11 +7,13 @@ on:
       - '**/*.md'
       - '.vscode/**'
       - '.husky/**'
+      - '.devcontainer/**'
   pull_request:
     paths-ignore:
       - '**/*.md'
       - '.vscode/**'
       - '.husky/**'
+      - '.devcontainer/**'
 jobs:
   test:
     name: Test
@@ -21,8 +23,13 @@ jobs:
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
-      - name: Install tools from asdf config
-        uses: ai/asdf-cache-action@v1
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: pnpm
       - name: Install dependencies
         run: pnpm install --ignore-scripts
       - name: Run tests

.github/workflows/preview-prepare.yml

@@ -20,8 +20,13 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Install tools from asdf config
-        uses: ai/asdf-cache-action@v1
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: pnpm
       - name: Allow to install only web dependencies
         run: pnpm config set recursive-install false
       - name: Install dependencies

.github/workflows/proxy.yml

@@ -23,8 +23,13 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Install tools from asdf config
-        uses: ai/asdf-cache-action@v1
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: pnpm
       - name: Install dependencies
         run: pnpm install --ignore-scripts
       - name: Run tests
@@ -38,10 +43,13 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Install tools from asdf config
-        uses: ai/asdf-cache-action@v1
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+      - name: Install Node.js
+        uses: actions/setup-node@v4
         with:
-          dependencies-cache: proxy-production
+          node-version-file: .node-version
+          # We don’t use cache for supply chain security
       - name: Allow to install only project dependencies
         run: pnpm config set recursive-install false
       - name: Install dependencies

.github/workflows/test-loaders.yml

@@ -27,8 +27,13 @@ jobs:
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
-      - name: Install tools from asdf config
-        uses: ai/asdf-cache-action@v1
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: pnpm
       - name: Install dependencies
         run: pnpm install --ignore-scripts
       - name: Loaders Test

.github/workflows/visual.yml

@@ -22,9 +22,15 @@ jobs:
             echo "has_commits=false" >> "$GITHUB_OUTPUT"
             echo "No commits today. Stopping the workflow."
           fi
-      - name: Install tools from asdf config
+      - name: Install pnpm
         if: steps.today.outputs.has_commits == 'true'
-        uses: ai/asdf-cache-action@v1
+        uses: pnpm/action-setup@v3
+      - name: Install Node.js
+        if: steps.today.outputs.has_commits == 'true'
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: pnpm
       - name: Install dependencies
         if: steps.today.outputs.has_commits == 'true'
         run: pnpm install --ignore-scripts

.gitignore

@@ -1 +1,2 @@
 node_modules/
+

.node-version

@@ -0,0 +1 @@
+22.1.0

.prettierignore

@@ -1,2 +1,3 @@
 coverage/
 dist/
+web/storybook-static/

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["ms-vscode-remote.remote-containers"]
+}

CONTRIBUTING.md

@@ -43,17 +43,15 @@ You can ask any question to the maintainer in Telegram: **[`@sitnik`](https://t.
 
 1. Install environment:
 
-   - To fix a small bug you can run app directly in your browser via [StackBlitz](https://stackblitz.com/fork/github/hplush/slowreader?file=web/main/main.svelte).
+   - To fix a small bug, you can run the app directly in your browser via [StackBlitz](https://stackblitz.com/fork/github/hplush/slowreader?file=web/main/main.svelte).
 
-   - For lond-term contribution we recommend installing [`asdf`](https://asdf-vm.com/guide/getting-started.html) and then run:
+   - For lond-term contribution, we recommend installing Docker and [Dev Container](https://containers.dev) plugin to your text editor. All developers will have the same environment and the development tool will be isolated from the system in the container.
 
-     ```sh
-     asdf plugin-add nodejs https://github.com/asdf-vm/asdf-nodejs.git
-     asdf plugin-add pnpm https://github.com/jonathanmorley/asdf-pnpm.git
-     asdf install
-     ```
+     - [VS Code guide](https://code.visualstudio.com/docs/devcontainers/tutorial)
+     - [Jet Brains IDEs](https://www.jetbrains.com/help/idea/connect-to-devcontainer.html#create_dev_container_inside_ide)
+     - [CLI tool](https://github.com/devcontainers/cli)
 
-   - You can also manually install [Node.js](https://nodejs.org/en/download) and [pnpm](https://pnpm.io/installation) versions according to [`.tool-versions`](./.tool-versions) file.
+   - You can also manually install [Node.js](https://nodejs.org/en/download) and [pnpm](https://pnpm.io/installation) versions according to `.node-version` file and `packageManager` key in `package.json`.
 
 2. Then install all npm dependencies by `pnpm`:
 
@@ -68,8 +66,6 @@ You can ask any question to the maintainer in Telegram: **[`@sitnik`](https://t.
    pnpm test
    ```
 
-   If you have strange error, check that all folders in the path to the project use **only Latin symbols**.
-
 ### Run Web Client
 
 To run web clients, just call in the root of the project:

README.md

@@ -108,6 +108,7 @@ Slow Reader is a local-first app. Clients do most of the work, and the server ju
 - [`docs/`](./docs/): guides for developers.
 - [`scripts/`](./scripts/): scripts to test project and configure Google Cloud. Check the script’s descriptions for further details.
 - [`loader-tests/`](./loader-tests/): integration tests for each social network or news format.
+- [`.devcontainer`](./.devcontainer/): `Dockerfile` and configs to run project in Docker/Podman image on developer’s machine. It increases security (malicious dependency will not have access to the whole machine) and simplify onboarding.
 - [`.github/`](./.github/): scripts to test projects on CI.
 - [`.husky/`](./.husky/): scripts to call on `git commit` command to avoid popular errors.
 - [`.vscode/`](./.vscode/): VS Code settings to reduce code format errors for new contributors.
@@ -118,7 +119,7 @@ We are using [pnpm monorepo](https://pnpm.io/workspaces). Each project has its d
 
 Global development tools:
 
-- [asdf](./.tool-versions) to synchronize Node.js and pnpm versions across the team and CI.
+- [Dev Container](https://containers.dev) to use the same environment for all developers and isolate project from developer’s machine.
 - [Prettier](./.prettierrc) to use the same code style formatting.
 - [TypeScript](./tsconfig.json) for strict type checking.
 - [ESLint](./eslint.config.js) to check for popular mistakes in JavaScript.

nano-staged.json

@@ -3,7 +3,8 @@
   "*.css": "stylelint --fix",
   "*.svelte": ["prettier --write", "stylelint --fix"],
   "*.svg": "svgo",
-  ".tool-versions": "tsx ./scripts/check-versions.ts",
+  ".devcontainer/Dockerfile": "tsx ./scripts/check-versions.ts",
+  ".node-version": "tsx ./scripts/check-versions.ts",
   "package.json": "tsx ./scripts/check-versions.ts",
   "*/package.json": "tsx ./scripts/check-versions.ts",
   "*/Dockerfile": "tsx ./scripts/check-versions.ts",

package.json

@@ -7,6 +7,7 @@
     "node": "^22.1.0",
     "pnpm": "^9.0.0"
   },
+  "packageManager": "[email protected]",
   "scripts": {
     "test": "FORCE_COLOR=1 pnpm run -r --include-workspace-root /^test:/",
     "start": "FORCE_COLOR=1 pnpm run -r start",

scripts/check-versions.ts

@@ -1,36 +1,41 @@
 // Script to check that:
 // - All dependencies has "1.2.3" requirement and not "^1.2.3" used by npm.
 //   It prevents unexpected updates on lock file issues.
-// - Node.js and pnpm versions in .tool-versions and package.json are the same.
-// - All Dockerfile use the same Node.js version that is in .tool-versions.
+// - Node.js and pnpm versions are the same in all configs
+//   (Dockerfile, package.json, .node-version).
 
 import { existsSync, readdirSync, readFileSync } from 'node:fs'
 import { join } from 'node:path'
 import { styleText } from 'node:util'
 
 const ROOT = join(import.meta.dirname, '..')
 
-function read(...parts: string[]): string {
-  return readFileSync(join(ROOT, ...parts)).toString()
+function read(file: string): string {
+  return readFileSync(join(ROOT, file)).toString()
 }
 
 function error(msg: string): void {
   process.stderr.write(styleText('red', `${msg}\n`))
   process.exit(1)
 }
 
-let toolVersions = read('.tool-versions')
+function getVersion(content: string, regexp: RegExp): string {
+  return content.match(regexp)![1]!
+}
+
+let dockerfile = read('.devcontainer/Dockerfile')
 
-let nodeFull = toolVersions.match(/nodejs (\d+\.\d+\.\d+)/)![1]
-let nodeMinor = toolVersions.match(/nodejs (\d+\.\d+)\./)![1]
-let pnpmMajor = toolVersions.match(/pnpm (\d+)\./)![1]
+let nodeFull = getVersion(dockerfile, /node:(\d+\.\d+\.\d+)/)
+let nodeMinor = nodeFull.split('.').slice(0, 2).join('.')
+let pnpmFull = getVersion(dockerfile, /pnpm@(\d+\.\d+\.\d+)/)
+let pnpmMajor = pnpmFull.split('.')[0]
 
 function checkPackage(file: string, content: string): void {
   if (!content.includes(`"node": "^${nodeMinor}.`)) {
-    error(`.tool-versions and ${file} have different Node.js minor version`)
+    error(`.devcontainer/Dockerfile and ${file} have different Node.js version`)
   }
   if (!content.includes(`"pnpm": "^${pnpmMajor}.`)) {
-    error(`.tool-versions and ${file} have different pnpm major version`)
+    error(`.devcontainer/Dockerfile and ${file} have different pnpm version`)
   }
   let match = content.match(/"[^"]+": "[\^~][^"]+"/)
   if (match && !match[0].startsWith('"node":')) {
@@ -50,17 +55,28 @@ function checkDockerfile(file: string, content: string): void {
   }
 }
 
+let nodeVersion = read('.node-version').trim()
+if (nodeVersion !== nodeFull) {
+  error(
+    '.devcontainer/Dockerfile and .node-version have different Node.js version'
+  )
+}
+let packageManager = getVersion(
+  read('package.json'),
+  /"packageManager": "pnpm@(\d+\.\d+\.\d+)"/
+)
+if (packageManager !== pnpmFull) {
+  error('.devcontainer/Dockerfile and package.json have different pnpm version')
+}
+
 checkPackage('package.json', read('package.json'))
 
 let projects = readdirSync(ROOT)
-
 for (let project of projects) {
   if (existsSync(join(ROOT, project, 'package.json'))) {
     let relative = join(project, 'package.json')
     checkPackage(relative, read(relative))
   }
-}
-for (let project of projects) {
   if (existsSync(join(ROOT, project, 'Dockerfile'))) {
     let docker = join(project, 'Dockerfile')
     checkDockerfile(docker, read(docker))