kill-the-newsletter custom

builds/kill-the-newsletter/Dockerfile

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+FROM debian:12
+
+WORKDIR /kill-the-newsletter
+
+RUN apt update
+RUN apt install -y wget
+
+RUN wget https://github.com/leafac/kill-the-newsletter/releases/download/v1.0.1/kill-the-newsletter--linux--v1.0.1.tgz
+
+RUN tar -xzf kill-the-newsletter--linux--v1.0.1.tgz
+
+COPY docker.js .
+
+CMD ["./kill-the-newsletter", "docker.js"]

builds/kill-the-newsletter/docker-compose.yaml

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+services:
+  kill-the-newsletter:
+    container_name: kill-the-newsletter
+    image: registry.bhasher.com/kill-the-newsletter:latest
+    ports:
+    - 127.0.0.1:4000:80/tcp
+    environment:
+    - URL=https://kill-the-newsletter.com
+    - SMTP=smtp://localhost
+    - ADMIN_EMAIL=kill-the-newsletter@localhost
+    volumes:
+    - ./data:/data

builds/kill-the-newsletter/docker.js

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+module.exports = async (require) => {
+    const path = require("path");
+    const killTheNewsletter = require(".").default;
+
+    const { webApplication, emailApplication } = killTheNewsletter(
+        path.join("/data")
+    );
+
+    webApplication.set("url", process.env.URL || "http://localhost");
+    webApplication.set("email", process.env.SMTP || "smtp://localhost");
+    webApplication.set("administrator", `mailto:${process.env.ADMIN_EMAIL || "localhost"}`);
+
+
+    webApplication.listen(80, () => {
+        console.log("Kill-the-newsletter server started");
+        console.log(webApplication.get("url"));
+    });
+
+    emailApplication.listen(25, () => {
+        console.log("Email server started");
+    });
+
+    const Imap = require('imap');
+    const nodemailer = require('nodemailer');
+    const { simpleParser } = require('mailparser');
+
+    const imapConfig = {
+        user: process.env.IMAP_USER,
+        password: process.env.IMAP_PASSWORD,
+        host: process.env.IMAP_HOST,
+        port: process.env.IMAP_PORT,
+        tls: true
+    };
+
+    const smtpConfig = {
+        host: 'localhost',
+        port: 25,
+        secure: false
+    };
+
+    const imap = new Imap(imapConfig);
+
+    function openInbox(cb) {
+        imap.openBox('INBOX', false, cb);
+    }
+
+    function processEmails() {
+        openInbox((err, box) => {
+            if (err) throw err;
+
+            imap.search(['UNSEEN'], (err, results) => {
+                if (err || !results || !results.length) {
+                    console.log('No new emails');
+                    return;
+                }
+
+                const f = imap.fetch(results, { bodies: '' });
+                f.on('message', msg => {
+                    msg.on('body', stream => {
+                        simpleParser(stream, async (err, mail) => {
+                            let transporter = nodemailer.createTransport(smtpConfig);
+
+                            await transporter.sendMail({
+                                from: mail.from,
+                                to: mail.to,
+                                subject: mail.subject,
+                                text: mail.text,
+                                html: mail.html
+                            });
+
+                            console.log('Email forwarded');
+                        });
+                    });
+                });
+            });
+        });
+    }
+
+    imap.once('ready', () => {
+        processEmails();
+
+        setInterval(processEmails, (proess.env.INTERVAL || 300) * 1000);
+    });
+    imap.once('error', err => console.error(err));
+    imap.connect();
+
+};