diff --git a/server/.eslintignore b/server/.eslintignore
new file mode 100644
index 0000000..5556eed
--- /dev/null
+++ b/server/.eslintignore
@@ -0,0 +1,4 @@
+node_modules
+dist
+.space
+index.js
\ No newline at end of file
diff --git a/server/.eslintrc b/server/.eslintrc
new file mode 100644
index 0000000..d361362
--- /dev/null
+++ b/server/.eslintrc
@@ -0,0 +1,34 @@
+{
+  "root": true,
+  "env": {
+    "node": true,
+    "es2021": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:json/recommended",
+    "prettier"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "plugins": ["@typescript-eslint", "prettier"],
+  "rules": {
+    "no-unused-vars": ["error"],
+    "indent": ["error", 2],
+    "linebreak-style": ["error", "unix"],
+    "quotes": ["error", "double"],
+    "semi": ["error", "always"],
+    "no-console": ["error"],
+    "prettier/prettier": ["error"]
+  },
+  "settings": {
+    "import/resolver": {
+      "typescript": {}
+    }
+  }
+}
diff --git a/server/.eslintrc.json b/server/.eslintrc.json
new file mode 100644
index 0000000..3c052dc
--- /dev/null
+++ b/server/.eslintrc.json
@@ -0,0 +1,26 @@
+{
+  "env": {
+    "browser": true,
+    "es2021": true,
+    "node": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:prettier/recommended"
+  ],
+  "overrides": [],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "plugins": ["@typescript-eslint"],
+  "rules": {
+    "indent": ["error", 2],
+    "linebreak-style": ["error", "unix"],
+    "prettier/prettier": ["error", {}],
+    "quotes": ["error", "double"],
+    "semi": ["error", "always"]
+  }
+}
\ No newline at end of file
diff --git a/server/.gitignore b/server/.gitignore
new file mode 100644
index 0000000..8faafa2
--- /dev/null
+++ b/server/.gitignore
@@ -0,0 +1,15 @@
+# Deta files
+.deta/
+.space
+
+
+# Compiled javascript files
+dist/
+
+# Node
+node_modules/
+yarn.lock
+package-lock.json
+
+# env variables
+.env
\ No newline at end of file
diff --git a/server/.prettierrc b/server/.prettierrc
new file mode 100644
index 0000000..5e45ccc
--- /dev/null
+++ b/server/.prettierrc
@@ -0,0 +1,8 @@
+{
+  "semi": true,
+  "tabWidth": 2,
+  "printWidth": 100,
+  "singleQuote": false,
+  "trailingComma": "none",
+  "bracketSpacing": true
+}
diff --git a/server/index.js b/server/index.js
new file mode 100644
index 0000000..717d13e
--- /dev/null
+++ b/server/index.js
@@ -0,0 +1,5 @@
+// Import the compiled dist js
+const app = require("./dist/index.js");
+
+// Export it to Deta
+module.exports = app;
diff --git a/server/package.json b/server/package.json
new file mode 100644
index 0000000..a3252c5
--- /dev/null
+++ b/server/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "deta-typescript-express-starter",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "scripts": {
+    "dev": "npx nodemon --watch src src/index.ts",
+    "build": "npx tsc",
+    "deploy": "npx tsc && deta deploy",
+    "lint-fix": "eslint --fix . --ext .ts"
+  },
+  "dependencies": {
+    "argon2": "^0.31.2",
+    "cors": "^2.8.5",
+    "deta": "^1.1.0",
+    "dotenv": "^16.0.3",
+    "express": "^4.18.1",
+    "nodemailer": "^6.9.7",
+    "outlook-nodemailer-transport": "^1.4.1"
+  },
+  "devDependencies": {
+    "@types/cors": "^2.8.13",
+    "@types/express": "^4.17.13",
+    "@types/node": "14",
+    "@types/nodemailer": "^6.4.14",
+    "@typescript-eslint/eslint-plugin": "^5.47.0",
+    "@typescript-eslint/parser": "^5.47.0",
+    "eslint": "^8.30.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-json": "^3.1.0",
+    "eslint-plugin-prettier": "^4.2.1",
+    "ts-node": "^10.9.1",
+    "typescript": "^4.8.3"
+  }
+}
diff --git a/server/placeholder.txt b/server/placeholder.txt
deleted file mode 100644
index e69de29..0000000
diff --git a/server/src/index.ts b/server/src/index.ts
new file mode 100644
index 0000000..37ca531
--- /dev/null
+++ b/server/src/index.ts
@@ -0,0 +1,28 @@
+import express from "express";
+import cors from "cors";
+import auth from "./routes/auth";
+import task from "./routes/task";
+import board from "./routes/board";
+
+const app = express();
+app.use(express.json());
+app.use(cors());
+app.disable("etag");
+
+app.get("/", (req, res) =>
+  res.status(200).json({
+    msg: "This is the API of the following repository on GitHub: https://github.com/janlehner/taskhub"
+  })
+);
+
+// routes
+app.use("/auth", auth);
+app.use("/task", task);
+app.use("/board", board);
+
+const port = parseInt(process.env.PORT) || 8080;
+app.listen(port, () => {
+  console.log(`listening on port ${port}`);
+});
+
+module.exports = app;
diff --git a/server/src/interfaces/interfaces.ts b/server/src/interfaces/interfaces.ts
new file mode 100644
index 0000000..8f86b93
--- /dev/null
+++ b/server/src/interfaces/interfaces.ts
@@ -0,0 +1,26 @@
+export interface ILoginForm {
+  username: string;
+  password: string;
+}
+
+export interface IRegisterForm {
+  username: string;
+  password: string;
+}
+
+export interface IJWTData {
+  username: string;
+}
+
+export interface ITask {
+  title: string;
+  definition: string;
+  owner: string;
+  board: string;
+}
+
+export interface IBoard {
+  owner: string;
+  title: string;
+  tasks: ITask[];
+}
diff --git a/server/src/routes/auth.ts b/server/src/routes/auth.ts
new file mode 100644
index 0000000..b1b6e73
--- /dev/null
+++ b/server/src/routes/auth.ts
@@ -0,0 +1,78 @@
+import express from "express";
+import * as dotenv from "dotenv";
+import path from "path";
+import { Deta } from "deta";
+import argon2 from "argon2";
+import { ILoginForm, IRegisterForm } from "../interfaces/interfaces";
+import jwt from "jsonwebtoken";
+dotenv.config({ path: path.resolve(__dirname, "../.env") });
+
+// deta setup
+const projectKey: string = process.env.DETA_PROJECT_KEY;
+const deta = Deta(projectKey);
+const auth = deta.Base("users");
+
+const jwtSecret: string = process.env.JWT_SECRET;
+
+const router = express.Router();
+
+
+router.post("/register", async (req, res) => {
+  try {
+    const registrationFormData: IRegisterForm = req.body as IRegisterForm;
+
+    if (registrationFormData.username == null || registrationFormData.password == null || registrationFormData.username == "" || registrationFormData.password == "") {
+      throw new Error("Invalid Request");
+    }
+    if (!(await auth.get(registrationFormData.username))) {
+      const passwordHash = await argon2.hash(registrationFormData.password);
+      const auhtFormDataJson = {
+        key: registrationFormData.username,
+        password: passwordHash
+      };
+      const newUser = await auth.insert(auhtFormDataJson);
+
+      res.status(201).json({
+        username: newUser.key,
+        success: true
+      });
+    } else {
+      throw new Error("Failed to register user!");
+    }
+  } catch (err) {
+    res.status(503).json({ error: err.message });
+  }
+});
+
+router.post("/login", async (req, res) => {
+  try {
+    const loginFormData: ILoginForm = req.body as ILoginForm;
+
+    if (loginFormData.username == null || loginFormData.password == null || loginFormData.username == "" || loginFormData.password == "") {
+      throw new Error("Invalid Request");
+    }
+
+    const user = await auth.get(loginFormData.username);
+    if (user === null) {
+      throw new Error("Wrong credentials! Please try again.");
+    }
+
+    const password = user.password as string;
+
+    if (await argon2.verify(password, loginFormData.password)) {
+      const token = jwt.sign({ username: user.key }, jwtSecret, { expiresIn: "21600s" });
+      res.status(200).json({ token, success: true });
+    } else {
+      res.status(401).json({
+        error: "Wrong credentials! Please try again.",
+        success: false
+      });
+    }
+  } catch (err) {
+    res.status(503).json({ error: err.message });
+  }
+});
+
+
+
+export default router;
\ No newline at end of file
diff --git a/server/src/routes/board.ts b/server/src/routes/board.ts
new file mode 100644
index 0000000..a5eb2d2
--- /dev/null
+++ b/server/src/routes/board.ts
@@ -0,0 +1,50 @@
+import express from "express";
+import * as dotenv from "dotenv";
+import path from "path";
+import { Deta } from "deta";
+import { ITask, IBoard } from "../interfaces/interfaces";
+dotenv.config({ path: path.resolve(__dirname, "../.env") });
+
+// deta setup
+const projectKey: string = process.env.DETA_PROJECT_KEY;
+const deta = Deta(projectKey);
+const boardSets = deta.Base("board");
+
+const router = express.Router();
+
+router.post("/create", async (req, res) => {
+  try {
+    const boardDataSet: IBoard = req.body as IBoard;
+    if (typeof boardDataSet.title !== "string" || typeof boardDataSet.owner !== "string") {
+      throw new Error("Invalid 'title' or 'owner' in the request.");
+    }
+
+    const key = boardDataSet.title.trim() + boardDataSet.owner.trim();
+
+    if (await boardSets.get(boardDataSet.title)) {
+      throw new Error("This board name exists already. Please try to edit this!");
+    } else if (await boardSets.get(key)) {
+      throw new Error("This task name exists already. Please try to edit this!");
+    }
+
+    const tasks: ITask[] = [];
+
+    const boardDataSetJSON = {
+      key: key,
+      title: boardDataSet.title,
+      owner: boardDataSet.owner,
+      tasks: tasks
+    };
+
+    const newtaskDataSet = await boardSets.insert(JSON.parse(JSON.stringify(boardDataSetJSON)));
+
+    res.status(201).json({
+      title: boardDataSet.title,
+      owner: boardDataSet.owner
+    });
+  } catch (err) {
+    res.status(503).json({ error: err.message });
+  }
+});
+
+export default router;
diff --git a/server/src/routes/task.ts b/server/src/routes/task.ts
new file mode 100644
index 0000000..dfc4798
--- /dev/null
+++ b/server/src/routes/task.ts
@@ -0,0 +1,141 @@
+import express from "express";
+import * as dotenv from "dotenv";
+import path from "path";
+import { Deta } from "deta";
+import { ITask, IBoard } from "../interfaces/interfaces";
+dotenv.config({ path: path.resolve(__dirname, "../.env") });
+
+// deta setup
+const projectKey: string = process.env.DETA_PROJECT_KEY;
+const deta = Deta(projectKey);
+const taskSets = deta.Base("tasks");
+const boardSets = deta.Base("board");
+
+const router = express.Router();
+
+router.post("/create/:board", async (req, res) => {
+  try {
+    const taskDataSet: ITask = req.body as ITask;
+    const key = taskDataSet.title.trim() + taskDataSet.owner.trim();
+    const boardTitle = req.params.board;
+    if (!taskDataSet.title || !taskDataSet.owner) {
+      throw new Error("Both 'title' and 'owner' are required fields.");
+    }
+
+    const existingTask = await taskSets.get(key);
+    const existingBoard = await taskSets.get(boardTitle);
+
+    if (existingTask) {
+      throw new Error("This task name exists already. Please try to edit this!");
+    } else if (existingBoard) {
+      throw new Error("The board of the to-be-created task does not exist.");
+    }
+
+    const taskDataSetJSON = {
+      key: key,
+      title: taskDataSet.title,
+      definition: taskDataSet.definition
+    };
+
+    const newTaskDataSet = await taskSets.insert(taskDataSetJSON);
+
+    const taskBoardArray = await boardSets.get(req.params.board);
+    var updatedArray = [];
+    updatedArray = Array.isArray(taskBoardArray) ? [taskDataSet, ...taskBoardArray] : [];
+    const boardKey = await boardSets.get(key);
+    const stringifiedKey = JSON.stringify(boardKey);
+    boardSets.update(JSON.parse(JSON.stringify(updatedArray)), stringifiedKey);
+
+    res.status(201).json({
+      title: taskDataSet.title,
+      definition: taskDataSet.definition
+    });
+  } catch (err) {
+    res.status(503).json({ error: err.message });
+  }
+});
+
+router.get("/get/:board/:id", async (req, res) => {
+  try {
+    const { id, board } = req.params;
+
+    if (!id || !board) {
+      throw new Error("Both 'id' and 'board' parameters are required.");
+    }
+
+    const fetchedtaskSets = await taskSets.fetch({ id, board });
+    if (fetchedtaskSets == null) {
+      res.status(409).json({
+        error: "This task does not exist."
+      });
+      return false;
+    } else {
+      res.status(201).json({ fetchedtaskSets });
+    }
+  } catch (err) {
+    res.status(503).json({ error: err.message });
+  }
+});
+
+router.get("/getTaskAll/:board", async (req, res) => {
+  try {
+    const fetchedtaskSets = await taskSets.get(req.params.board);
+    if (fetchedtaskSets == null) {
+      res.status(409).json({
+        error: "This task does not exist."
+      });
+      return false;
+    } else {
+      res.status(201).json({ fetchedtaskSets });
+    }
+  } catch (err) {
+    res.status(503).json({ error: err.message });
+  }
+});
+
+router.delete("/deleteTask/:board/:id", async (req, res) => {
+  try {
+    const { id, board } = req.params;
+    if (!id || !board) {
+      throw new Error("Both 'id' and 'board' parameters are required.");
+    }
+    const fetchedtaskSets = await taskSets.fetch({ id, board });
+    if (fetchedtaskSets != null) {
+      await taskSets.delete(id);
+      res.status(200).json({ message: "Deleted task", id: req.params.id, sucess: true });
+    } else {
+      res.status(409).json({
+        error: "This task does not exist."
+      });
+      return false;
+    }
+  } catch (err) {
+    res.status(503).json({ error: err.message });
+  }
+});
+
+router.post("/updateTask/:board/:id", async (req, res) => {
+  try {
+    const taskSetsData: ITask = req.body as ITask;
+    const { id, board } = req.params;
+    if (!(await taskSets.fetch({ id, board }))) {
+      throw new Error("This task does not exist.");
+    }
+
+    const taskSetsDataJson = {
+      title: taskSetsData.title,
+      definition: taskSetsData.definition
+    };
+
+    await taskSets.insert(taskSetsDataJson);
+
+    res.status(201).json({
+      title: taskSetsData.title,
+      definition: taskSetsData.definition
+    });
+  } catch (err) {
+    res.status(503).json({ error: err.message });
+  }
+});
+
+export default router;
diff --git a/server/tsconfig.json b/server/tsconfig.json
new file mode 100644
index 0000000..88eae0e
--- /dev/null
+++ b/server/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "noImplicitAny": true,
+    "removeComments": true,
+    "strict": false,
+    "outDir": "dist"
+  },
+  "include": ["src/**/*"]
+}