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actix-web static files as resources support

  • actix-web static files as resources support
    • Legal
    • Features
    • Usage
      • Use-case 1: Static resources folder
      • Use-case 2: package.json - npm managed folder
      • Use-case 3: package.json - WebPack usage
      • Use-case 4: yarn package manager
      • Use-case 5: Angular-like applications

Legal

Dual-licensed under MIT or the UNLICENSE.

Features

  • Embed static resources in single self-contained executuble
  • Serve static resources in actix-web
  • Install dependencies with npm package manager
  • Run custom npm run commands (such as webpack)
  • Support for npm-like package managers (yarn)
  • Support for angular-like routers

Usage

Use-case 1: Static resources folder

Create folder with static resources in your project (for example static):

cd project_dir
mkdir static
echo "<p>Hello, world\!</p>" > static/index.html

Add to Cargo.toml dependencies related to actix-web-static-files:

[dependencies]
actix-web = "4.0"
actix-web-static-files = "4.0"
static-files = "0.2.1"

[build-dependencies]
static-files = "0.2.1"

Add build.rs with call to bundle resources:

use static_files::resource_dir;

fn main() -> std::io::Result<()> {
    resource_dir("./static").build()
}

Include generated code in src/main.rs:

use actix_web::{App, HttpServer};
use actix_web_static_files::ResourceFiles;

include!(concat!(env!("OUT_DIR"), "/generated.rs"));

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(move || {
        let generated = generate();
        App::new().service(ResourceFiles::new("/", generated))
    })
    .bind("127.0.0.1:8080")?
    .run()
    .await
}

Run the server:

cargo run

Request the resource:

$ curl -v http://localhost:8080/
*   Trying ::1...
* TCP_NODELAY set
* Connection failed
* connect to ::1 port 8080 failed: Connection refused
*   Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 8080 (#0)
> GET / HTTP/1.1
> Host: localhost:8080
> User-Agent: curl/7.64.1
>
< HTTP/1.1 200 OK
< content-length: 20
< content-type: text/html
< etag: "14:606a2226"
< date: Sun, 23 May 2021 19:46:42 GMT
<
* Connection #0 to host localhost left intact
<p>Hello, world!</p>* Closing connection 0

See also:

Use-case 2: package.json - npm managed folder

Create folder with static resources in your project (for example static):

cd project_dir
mkdir static_packages
cd static_packages
echo '{}' > package.json
# install your npm dependencies (here we use fontawesome as an example)
npm install --save-dev @fortawesome/fontawesome-free

Add generated folder to ignore file of your version control system (here: git):

cd project_dir
echo "static_packages/node_modules" >> .gitignore

Add dependencies and build-dependencies in Cargo.toml same way as in the first use-case.

Add build.rs with call to bundle resources:

use static_files::npm_resource_dir;

fn main() -> std::io::Result<()> {
    npm_resource_dir("./static_packages")?.build()
}

Include generated code in main.rs same way as in the first use-case.

Reference resources in your HTML (static/index.html):

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <link rel="stylesheet" href="/static/@fortawesome/fontawesome-free/css/all.css">
    <script defer src="/static/@fortawesome/fontawesome-free/js/all.js"></script>
    <title>Hi</title>
</head>
<body>
    <i class="fas fa-thumbs-up"></i>
</body>
</html>

Use-case 3: package.json - WebPack usage

Create folder with static resources in your project (for example web), install required packages and webpack:

cd project_dir
mkdir -p web/src
cd web
echo -e "node_modules\ndist" > .gitignore
echo '{}' > package.json


# install lodash for usage in example
npm install --save lodash

# install webpack npm dependencies
npm install webpack webpack-cli html-webpack-plugin clean-webpack-plugin --save-dev

Add web/webpack.config.js:

const path = require('path');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: './src/index.js',
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      title: 'actix-web-static-files WebPack',
    }),
  ],
  output: {
    filename: 'main.js',
    path: path.resolve(__dirname, 'dist', 'bundle'),
  },
};

Add web/src/index.js:

import _ from 'lodash';

function component() {
  const element = document.createElement('div');

  element.innerHTML = _.join(['Hello', 'webpack'], ' ');

  return element;
}

document.body.appendChild(component());

Modify web/package.json by adding "scripts" sections:

{
  "dependencies": {
    "lodash": "^4.17.21"
  },
  "devDependencies": {
    "clean-webpack-plugin": "^3.0.0",
    "html-webpack-plugin": "^5.2.0",
    "webpack": "^5.24.2",
    "webpack-cli": "^4.5.0"
  },
  "scripts": {
    "build": "webpack"
  }
}

Add to Cargo.toml dependency to actix-web-static-files as in the first use case.

Add build.rs with call to bundle resources:

use static_files::NpmBuild;

fn main() -> std::io::Result<()> {
    NpmBuild::new("web")
        .install()?
        .run("build")?
        .target("web/dist/bundle")
        .change_detection()
        .to_resource_dir()
        .build()
}

Include generated code in src/main.rs:

use actix_web::{App, HttpServer};
use actix_web_static_files;

include!(concat!(env!("OUT_DIR"), "/generated.rs"));

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(move || {
        let generated = generate();
        App::new().service(actix_web_static_files::ResourceFiles::new("/", generated))
    })
    .bind("127.0.0.1:8080")?
    .run()
    .await
}

Run the server:

cargo run

Request the resource:

$ curl -v http://localhost:8080
*   Trying ::1...
* TCP_NODELAY set
* Connection failed
* connect to ::1 port 8080 failed: Connection refused
*   Trying 127.0.0.1...
* TCP_NODELAY set
* Connected to localhost (127.0.0.1) port 8080 (#0)
> GET / HTTP/1.1
> Host: localhost:8080
> User-Agent: curl/7.64.1
>
< HTTP/1.1 200 OK
< content-length: 199
< content-type: text/html
< etag: "c7:5e403845"
< date: Sun, 09 Feb 2020 16:51:45 GMT
<
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>actix-web-static-files WebPack</title>
  </head>
  <body>
  <script type="text/javascript" src="main.js"></script></body>

See also:

Use-case 4: yarn package manager

We can use another package manager instead of npm. For example, to use yarn just add .executable("yarn") to NpmBuild call:

use static_files::NpmBuild;

fn main() -> std::io::Result<()> {
    NpmBuild::new("web")
        .executable("yarn")
        .install()?
        .run("build")?
        .target("web/dist/bundle")
        .change_detection()
        .to_resource_dir()
        .build()
}

See also:

Use-case 5: Angular-like applications

If you are using Angular as frontend, you may want to resolve all not found calls via index.html of frontend app. To do this just call method resolve_not_found_to_root after resource creation.

use actix_web::{middleware::Logger, App, HttpServer};
#[cfg(feature = "ui")]
use actix_web_static_files;

#[cfg(feature = "ui")]
use angular_example_frontend::generate;

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    env_logger::init();
    HttpServer::new(move || {
        let mut app = App::new().wrap(Logger::default());
        #[cfg(feature = "ui")]
        {
            let generated = generate();
            app = app.service(
                actix_web_static_files::ResourceFiles::new("/", generated)
                    .resolve_not_found_to_root(),
            );
        }
        app
    })
    .bind("127.0.0.1:8080")?
    .run()
    .await
}

Remember to place you static resource route after all other routes in this case.

You can check the complete example Angular Router Sample.