Standby PPE Actor

# Specify the base Docker image. You can read more about
# the available images at https://docs.apify.com/sdk/js/docs/guides/docker-images
# You can also use any other image from Docker Hub.
FROM apify/actor-node:20

# Check preinstalled packages
RUN npm ls crawlee apify puppeteer playwright

# Copy just package.json and package-lock.json
# to speed up the build using Docker layer cache.
COPY package*.json ./

# Install NPM packages, skip optional and development dependencies to
# keep the image small. Avoid logging too much and print the dependency
# tree for debugging
RUN npm --quiet set progress=false \
    && npm install --omit=dev --omit=optional \
    && echo "Installed NPM packages:" \
    && (npm list --omit=dev --all || true) \
    && echo "Node.js version:" \
    && node --version \
    && echo "NPM version:" \
    && npm --version \
    && rm -r ~/.npm

# Next, copy the remaining files and directories with the source code.
# Since we do this after NPM install, quick build will be really fast
# for most source file changes.
COPY . ./

# Create and run as a non-root user.
RUN adduser -h /home/apify -D apify && \
    chown -R apify:apify ./
USER apify

# Run the image.
CMD npm start --silent

{
    "actorSpecification": 1,
    "name": "my-actor-1",
    "title": "Standby Actor in JavaScript",
    "description": "Standby Actor in JavaScript.",
    "version": "0.0",
    "buildTag": "latest",
    "usesStandbyMode": true,
    "meta": {
        "templateId": "js-standby"
    },
    "dockerfile": "./Dockerfile"
}

1import http from 'http';
2import { Actor } from 'apify';
3import log from '@apify/log';
4
5await Actor.init();
6
7const chargeUser = async ({eventName, count}) => {
8    const chargeOptions = {
9        eventName,
10        count,
11    }
12    const chargeResult = await Actor.charge(chargeOptions)
13    log.info(`Charged user.`, { chargeOptions, chargeResult })
14}
15
16const server = http.createServer((req, res) => {
17    // Handle Apify standby readiness probe
18    // https://docs.apify.com/platform/actors/development/programming-interface/standby#readiness-probe
19    if (req.headers['x-apify-container-server-readiness-probe']) {
20        res.writeHead(200);
21        res.end('ok');
22        return;
23    }
24
25    chargeUser({eventName: 'cheap', count: 12});
26    chargeUser({eventName: 'expensive', count: 2});
27
28    res.writeHead(200, { 'Content-Type': 'text/plain' });
29    res.end(`Hello from Actor Standby!\nThanks for your money lol\n`);
30});
31
32// Listen on the standby port
33server.listen(Actor.config.get('standbyPort'));

# configurations
.idea

# crawlee and apify storage folders
apify_storage
crawlee_storage
storage

# installed files
node_modules

# git folder
.git

root = true

[*]
indent_style = space
indent_size = 4
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
end_of_line = lf

{
    "extends": "@apify",
    "root": true
}

# This file tells Git which files shouldn't be added to source control

.DS_Store
.idea
.zed
node_modules
storage

{
    "name": "js-standby-project",
    "version": "0.0.1",
    "type": "module",
    "description": "This is an example of an Apify Actor that uses Standby mode.",
    "engines": {
        "node": ">=20.0.0"
    },
    "dependencies": {
        "apify": "^3.2.6"
    },
    "scripts": {
        "start": "node ./src/main.js",
        "lint": "./node_modules/.bin/eslint ./src --ext .js,.jsx",
        "lint:fix": "./node_modules/.bin/eslint ./src --ext .js,.jsx --fix",
        "test": "echo \"Error: oops, the actor has no tests yet, sad!\" && exit 1"
    },
    "author": "It's not you it's me",
    "license": "ISC"
}