Hello world app

runtimes/hello-world:latest/Dockerfile

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+FROM node:14-alpine AS build
+
+WORKDIR /app
+COPY . /app
+
+RUN set -ex \
+  # Build JS-Application
+  && npm install --production \
+  # Delete unnecessary files
+  && rm package* \
+  # Correct User's file access
+  && chown -R node:node /app
+
+FROM node:14-alpine AS final
+WORKDIR /app
+COPY --from=build /app /app
+ENV HTTP_PORT=8000
+EXPOSE $HTTP_PORT $HTTPS_PORT
+USER 1000
+EXPOSE 8000
+CMD ["node", "./index.js"]

runtimes/hello-world:latest/index.js

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+const express = require('express')
+const morgan = require('morgan');
+const http = require('http')
+const app = express()
+const os = require('os');
+const jwt = require('jsonwebtoken');
+const concat = require('concat-stream');
+const { promisify } = require('util');
+const sleep = promisify(setTimeout);
+
+app.set('json spaces', 2);
+app.set('trust proxy', ['loopback', 'linklocal', 'uniquelocal']);
+
+app.use(morgan('combined'));
+
+app.use(function(req, res, next){
+    req.pipe(concat(function(data){
+        req.body = data.toString('utf8');
+        next();
+    }));
+});
+
+app.all('*', (req, res) => {
+    const echo = {
+        path: req.path,
+        headers: req.headers,
+        method: req.method,
+        body: req.body,
+        cookies: req.cookies,
+        fresh: req.fresh,
+        hostname: req.hostname,
+        ip: req.ip,
+        ips: req.ips,
+        protocol: req.protocol,
+        query: req.query,
+        subdomains: req.subdomains,
+        xhr: req.xhr,
+        os: {
+            hostname: os.hostname()
+        },
+        connection: {
+            servername: req.connection.servername
+        }
+    };
+
+    if(req.is('application/json')){
+        echo.json = JSON.parse(req.body)
+    }
+
+    if (process.env.JWT_HEADER) {
+        let token = req.headers[process.env.JWT_HEADER.toLowerCase()];
+        if (!token) {
+            echo.jwt = token;
+        } else {
+            token = token.split(" ").pop();
+            const decoded = jwt.decode(token, {complete: true});
+            echo.jwt = decoded;
+        }
+    }
+    const setResponseStatusCode = parseInt(req.headers["x-set-response-status-code"] || req.query["x-set-response-status-code"], 10)
+    if (100 <= setResponseStatusCode && setResponseStatusCode < 600) {
+        res.status(setResponseStatusCode)
+    }
+
+    const sleepTime = parseInt(req.headers["x-set-response-delay-ms"] || req.query["x-set-response-delay-ms"], 0)
+    sleep(sleepTime).then(() => {
+
+        if (process.env.ECHO_BACK_TO_CLIENT != undefined && process.env.ECHO_BACK_TO_CLIENT == "false"){
+            res.end();
+        } else {
+            res.json(echo);
+        }
+
+        if (process.env.LOG_IGNORE_PATH != req.path) {
+            console.log('-----------------')
+
+            let spacer = 4;
+            if(process.env.LOG_WITHOUT_NEWLINE){
+                spacer = null;
+            }
+
+            console.log(JSON.stringify(echo, null, spacer));
+        }
+    });
+
+
+});
+
+let httpServer = http.createServer(app).listen(process.env.HTTP_PORT || 8000);
+console.log(`Listening on port ${process.env.HTTP_PORT || 8000}`);
+
+let calledClose = false;
+
+process.on('exit', function () {
+    if (calledClose) return;
+    console.log('Got exit event. Trying to stop Express server.');
+    server.close(function() {
+        console.log("Express server closed");
+    });
+});
+
+process.on('SIGINT', shutDown);
+process.on('SIGTERM', shutDown);
+
+function shutDown(){
+    console.log('Got a kill signal. Trying to exit gracefully.');
+    calledClose = true;
+    httpServer.close(function() {
+        console.log("HTTP servers closed. Asking process to exit.");
+    });
+}

runtimes/hello-world:latest/package.json

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+{
+  "name": "@bitinflow/hello-world",
+  "version": "1.0.0",
+  "description": "JSON service for debugging a web setup",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "bitinflow Containers Team <containers@bitinflow.com>",
+  "license": "MIT",
+  "engines": {
+    "node": ">=6.3.0"
+  },
+  "dependencies": {
+    "concat-stream": "^2.0.0",
+    "express": "^4.17.1",
+    "jsonwebtoken": "^8.5.0",
+    "morgan": "^1.10.0"
+  }
+}