diff --git a/backend/.env.example b/backend/.env.example
index 86648e1..9ab37e8 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1 +1,5 @@
-OpenWeatherMap_API_KEY = ""
\ No newline at end of file
+OpenWeatherMap_API_KEY = ""
+DB_HOST = ""
+DB_NAME = ""
+DB_USER = ""
+DB_PASS = ""
\ No newline at end of file
diff --git a/backend/app.js b/backend/app.js
index 17e4889..4fb5494 100644
--- a/backend/app.js
+++ b/backend/app.js
@@ -1,11 +1,13 @@
 /* Modules */
 require('dotenv').config();
+const path    = require('path');
 const express = require('express');
 const helmet  = require('helmet');
 const cors    = require('cors');
 const morgan  = require('morgan');
 
 /* Files Imports & Variables */
+const sequelize     = require('./assets/utils/database');
 const { PORT }      = require('./assets/config/config');
 const errorHandling = require('./assets/utils/errorHandling');
 const app           = express();
@@ -17,7 +19,9 @@ app.use(morgan('dev'));
 app.use(express.json());
 
 /* Routes */ 
+app.use('/images', express.static(path.join(__dirname, "assets", "images")));
 app.use('/functions', require('./routes/functions'));
+app.use('/categories', require('./routes/categories'));
 
 /* Errors Handling */
 app.use((_req, _res, next) => errorHandling(next, { statusCode: 404, message: "La route n'existe pas!" })); // 404
@@ -27,5 +31,17 @@ app.use((error, _req, res, _next) => {
     return res.status(statusCode || 500).json({ message });
 });
 
+/* Database Relations */
+const Functions  = require('./models/functions');
+const Categories = require('./models/categories');
+
+Categories.hasOne(Functions, { constraints: true, onDelete: 'CASCADE'});
+Functions.belongsTo(Categories);
+
 /* Server */
-app.listen(PORT, () => console.log('\x1b[36m%s\x1b[0m', `Started on port ${PORT}.`));
\ No newline at end of file
+// sequelize.sync({ force: true })
+sequelize.sync()
+    .then(() => {
+        app.listen(PORT, () =>  console.log('\x1b[36m%s\x1b[0m', `Started on port ${PORT}.`));
+    })
+    .catch((error) => console.log(error));
\ No newline at end of file
diff --git a/backend/assets/config/config.js b/backend/assets/config/config.js
index 381683b..a01ae23 100644
--- a/backend/assets/config/config.js
+++ b/backend/assets/config/config.js
@@ -1,6 +1,12 @@
 const config = {
     PORT: process.env.PORT || 8080,
-    WEATHER_API_KEY: process.env.OpenWeatherMap_API_KEY
+    WEATHER_API_KEY: process.env.OpenWeatherMap_API_KEY,
+    DATABASE: {
+        host: process.env.DB_HOST,
+        name: process.env.DB_NAME,
+        user: process.env.DB_USER,
+        password: process.env.DB_PASS
+    },
 };
 
 module.exports = config;
\ No newline at end of file
diff --git a/backend/assets/config/errors.js b/backend/assets/config/errors.js
index 08f6f51..b2514e6 100644
--- a/backend/assets/config/errors.js
+++ b/backend/assets/config/errors.js
@@ -4,6 +4,11 @@ const errors = {
         statusCode: 400
     },
 
+    serverError: {
+        message: "Le serveur n'a pas pu traiter votre requête.",
+        statusCode: 500
+    },
+
     requiredFields: {
         message: "Vous devez remplir tous les champs...",
         statusCode: 400
diff --git a/backend/assets/images/functions/calculateAge.png b/backend/assets/images/functions/calculateAge.png
new file mode 100644
index 0000000..588d2d5
Binary files /dev/null and b/backend/assets/images/functions/calculateAge.png differ
diff --git a/backend/assets/images/functions/randomNumber.png b/backend/assets/images/functions/randomNumber.png
new file mode 100644
index 0000000..4f6c4b6
Binary files /dev/null and b/backend/assets/images/functions/randomNumber.png differ
diff --git a/backend/assets/images/functions/weatherRequest.png b/backend/assets/images/functions/weatherRequest.png
new file mode 100644
index 0000000..c7b5ffc
Binary files /dev/null and b/backend/assets/images/functions/weatherRequest.png differ
diff --git a/backend/assets/utils/database.js b/backend/assets/utils/database.js
new file mode 100644
index 0000000..e2b857d
--- /dev/null
+++ b/backend/assets/utils/database.js
@@ -0,0 +1,9 @@
+const Sequelize    = require('sequelize');
+const { DATABASE } = require('../config/config');
+
+const sequelize = new Sequelize(DATABASE.name, DATABASE.user, DATABASE.password, {
+    dialect: 'mysql',
+    host: DATABASE.host
+});
+
+module.exports = sequelize;
\ No newline at end of file
diff --git a/backend/controllers/categories.js b/backend/controllers/categories.js
new file mode 100644
index 0000000..9da3bf4
--- /dev/null
+++ b/backend/controllers/categories.js
@@ -0,0 +1,13 @@
+const errorHandling = require('../assets/utils/errorHandling');
+const Categories    = require('../models/categories');
+
+exports.getCategories = (_req, res, next) => {
+    Categories.findAll()
+        .then((result) => {
+            res.status(200).json(result);
+        })
+        .catch((error) => {
+            console.log(error);
+            errorHandling(next, serverError);
+        });
+}
\ No newline at end of file
diff --git a/backend/controllers/functions.js b/backend/controllers/functions.js
index 407a5e0..27d654f 100644
--- a/backend/controllers/functions.js
+++ b/backend/controllers/functions.js
@@ -1,6 +1,39 @@
 const errorHandling     = require('../assets/utils/errorHandling');
+const { serverError }   = require('../assets/config/errors');
+const Functions         = require('../models/functions');
+const Categories        = require('../models/categories');
 const functionToExecute = require('../assets/functions/functionObject');
 
+exports.getFunctions = (req, res, next) => {
+    // TODO: Trier et chercher par catégories
+    let page = 1;
+    let limit = 10;
+    if (req.query.page && !isNaN(req.query.page)) {
+        page = parseInt(req.query.page);
+    }
+    if (req.query.limit && !isNaN(req.query.limit)) {
+        limit = parseInt(req.query.limit);
+    }
+    const offset = (page - 1) * limit;
+    Functions.findAndCountAll({ 
+        limit, 
+        offset, 
+        where: { isOnline: 1 },
+        include: [
+            { model: Categories, attributes: ["name", "color"] }
+        ] 
+    })
+        .then((result) => {
+            const { count, rows } = result;
+            const hasMore = (page * limit) < count;
+            res.status(200).json({ totalItems: count,  hasMore, rows });
+        })
+        .catch((error) => {
+            console.log(error);
+            errorHandling(next, serverError);
+        });
+}
+
 exports.executeFunctionName = (req, res, next) => {
     const functionOutput = functionToExecute(req.params.functionName);
     if (functionOutput !== undefined) {
diff --git a/backend/models/categories.js b/backend/models/categories.js
new file mode 100644
index 0000000..d303f33
--- /dev/null
+++ b/backend/models/categories.js
@@ -0,0 +1,19 @@
+const Sequelize = require('sequelize');
+const sequelize = require('../assets/utils/database');
+
+module.exports = sequelize.define('categorie', {
+    id: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true
+    },
+    name: {
+        type: Sequelize.STRING,
+        allowNull: false,
+    },
+    color: {
+        type: Sequelize.STRING,
+        allowNull: false,
+    }
+});
\ No newline at end of file
diff --git a/backend/models/functions.js b/backend/models/functions.js
new file mode 100644
index 0000000..1e0c436
--- /dev/null
+++ b/backend/models/functions.js
@@ -0,0 +1,32 @@
+const Sequelize = require('sequelize');
+const sequelize = require('../assets/utils/database');
+
+module.exports = sequelize.define('function', {
+    id: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true
+    },
+    title: {
+        type: Sequelize.STRING(255),
+        allowNull: false,
+    },
+    slug: {
+        type: Sequelize.STRING(255),
+        allowNull: false,
+    },
+    description: {
+        type: Sequelize.STRING,
+        allowNull: false
+    },
+    image: {
+        type: Sequelize.STRING,
+        allowNull: false
+    },
+    isOnline: {
+        type: Sequelize.BOOLEAN,
+        allowNull: false,
+        defaultValue: 0
+    }
+});
\ No newline at end of file
diff --git a/backend/package-lock.json b/backend/package-lock.json
index ebed359..2ed1cf1 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -4,6 +4,11 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/node": {
+      "version": "13.9.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-13.9.2.tgz",
+      "integrity": "sha512-bnoqK579sAYrQbp73wwglccjJ4sfRdKU7WNEZ5FW4K2U6Kc0/eZ5kvXG0JKsEKFB50zrFmfFt52/cvBbZa7eXg=="
+    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -43,6 +48,16 @@
         "color-convert": "^1.9.0"
       }
     },
+    "ansicolors": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/ansicolors/-/ansicolors-0.3.2.tgz",
+      "integrity": "sha1-ZlWX3oap/+Oqm/vmyuXG6kJrSXk="
+    },
+    "any-promise": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8="
+    },
     "anymatch": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.1.tgz",
@@ -87,6 +102,11 @@
       "integrity": "sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow==",
       "dev": true
     },
+    "bluebird": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
+    },
     "body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
@@ -165,6 +185,15 @@
       "integrity": "sha512-mYQLZnx5Qt1JgB1WEiMCf2647plpGeQ2NMR/5L0HNZzGQo4fuSPnK+wjfPnKZV0aiJDgzmWqqkV/g7JD+DW0qw==",
       "dev": true
     },
+    "cardinal": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/cardinal/-/cardinal-2.1.1.tgz",
+      "integrity": "sha1-fMEFXYItISlU0HsIXeolHMe8VQU=",
+      "requires": {
+        "ansicolors": "~0.3.2",
+        "redeyed": "~2.1.0"
+      }
+    },
     "chalk": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -204,6 +233,15 @@
       "integrity": "sha1-T6kXw+WclKAEzWH47lCdplFocUM=",
       "dev": true
     },
+    "cls-bluebird": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cls-bluebird/-/cls-bluebird-2.1.0.tgz",
+      "integrity": "sha1-N+8eCAqP+1XC9BZPU28ZGeeWiu4=",
+      "requires": {
+        "is-bluebird": "^1.0.2",
+        "shimmer": "^1.1.0"
+      }
+    },
     "color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -321,6 +359,11 @@
       "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
       "dev": true
     },
+    "denque": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz",
+      "integrity": "sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ=="
+    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -356,6 +399,11 @@
       "integrity": "sha512-8sJ78ElpbDJBHNeBzUbUVLsqKdccaa/BXF1uPTw3GrvQTBgrQrtObr2mUrE38vzYd8cEv+m/JBfDLioYcfXoaw==",
       "dev": true
     },
+    "dottie": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.2.tgz",
+      "integrity": "sha512-fmrwR04lsniq/uSr8yikThDTrM7epXHBAAjH9TbeH3rEA8tdCO7mRzB9hdmdGyJCxF8KERo9CITcm3kGuoyMhg=="
+    },
     "duplexer3": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
@@ -383,6 +431,11 @@
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
       "dev": true
     },
+    "esprima": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
+    },
     "etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
@@ -513,6 +566,14 @@
       "dev": true,
       "optional": true
     },
+    "generate-function": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
+      "integrity": "sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==",
+      "requires": {
+        "is-property": "^1.0.2"
+      }
+    },
     "get-stream": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
@@ -681,6 +742,11 @@
       "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o=",
       "dev": true
     },
+    "inflection": {
+      "version": "1.12.0",
+      "resolved": "https://registry.npmjs.org/inflection/-/inflection-1.12.0.tgz",
+      "integrity": "sha1-ogCTVlbW9fa8TcdQLhrstwMihBY="
+    },
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
@@ -706,6 +772,11 @@
         "binary-extensions": "^2.0.0"
       }
     },
+    "is-bluebird": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-bluebird/-/is-bluebird-1.0.2.tgz",
+      "integrity": "sha1-CWQ5Bg9KpBGr7hkUOoTWpVNG1uI="
+    },
     "is-ci": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-1.2.1.tgz",
@@ -773,6 +844,11 @@
         "path-is-inside": "^1.0.1"
       }
     },
+    "is-property": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
+      "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ="
+    },
     "is-redirect": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-redirect/-/is-redirect-1.0.0.tgz",
@@ -806,6 +882,16 @@
         "package-json": "^4.0.0"
       }
     },
+    "lodash": {
+      "version": "4.17.15",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+    },
+    "long": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
+      "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA=="
+    },
     "lowercase-keys": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
@@ -816,7 +902,6 @@
       "version": "4.1.5",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
       "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
-      "dev": true,
       "requires": {
         "pseudomap": "^1.0.2",
         "yallist": "^2.1.2"
@@ -884,6 +969,14 @@
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.24.0.tgz",
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
+    "moment-timezone": {
+      "version": "0.5.28",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.28.tgz",
+      "integrity": "sha512-TDJkZvAyKIVWg5EtVqRzU97w0Rb0YVbfpqyjgu6GwXCAohVRqwZjf4fOzDE6p1Ch98Sro/8hQQi65WDXW5STPw==",
+      "requires": {
+        "moment": ">= 2.9.0"
+      }
+    },
     "morgan": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.9.1.tgz",
@@ -902,6 +995,53 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
+    "mysql2": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mysql2/-/mysql2-2.1.0.tgz",
+      "integrity": "sha512-9kGVyi930rG2KaHrz3sHwtc6K+GY9d8wWk1XRSYxQiunvGcn4DwuZxOwmK11ftuhhwrYDwGx9Ta4VBwznJn36A==",
+      "requires": {
+        "cardinal": "^2.1.1",
+        "denque": "^1.4.1",
+        "generate-function": "^2.3.1",
+        "iconv-lite": "^0.5.0",
+        "long": "^4.0.0",
+        "lru-cache": "^5.1.1",
+        "named-placeholders": "^1.1.2",
+        "seq-queue": "^0.0.5",
+        "sqlstring": "^2.3.1"
+      },
+      "dependencies": {
+        "iconv-lite": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.5.1.tgz",
+          "integrity": "sha512-ONHr16SQvKZNSqjQT9gy5z24Jw+uqfO02/ngBSBoqChZ+W8qXX7GPRa1RoUnzGADw8K63R1BXUMzarCVQBpY8Q==",
+          "requires": {
+            "safer-buffer": ">= 2.1.2 < 3"
+          }
+        },
+        "lru-cache": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
+          "integrity": "sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==",
+          "requires": {
+            "yallist": "^3.0.2"
+          }
+        },
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+        }
+      }
+    },
+    "named-placeholders": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/named-placeholders/-/named-placeholders-1.1.2.tgz",
+      "integrity": "sha512-wiFWqxoLL3PGVReSZpjLVxyJ1bRqe+KKJVbr4hGs1KWfTZTQyezHFBbuKj9hsizHyGV2ne7EMjHdxEGAybD5SA==",
+      "requires": {
+        "lru-cache": "^4.1.3"
+      }
+    },
     "negotiator": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
@@ -1060,8 +1200,7 @@
     "pseudomap": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
-      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
-      "dev": true
+      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM="
     },
     "pstree.remy": {
       "version": "1.1.7",
@@ -1111,6 +1250,14 @@
         "picomatch": "^2.0.7"
       }
     },
+    "redeyed": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/redeyed/-/redeyed-2.1.1.tgz",
+      "integrity": "sha1-iYS1gV2ZyyIEacme7v/jiRPmzAs=",
+      "requires": {
+        "esprima": "~4.0.0"
+      }
+    },
     "referrer-policy": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/referrer-policy/-/referrer-policy-1.2.0.tgz",
@@ -1135,6 +1282,14 @@
         "rc": "^1.0.1"
       }
     },
+    "retry-as-promised": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/retry-as-promised/-/retry-as-promised-3.2.0.tgz",
+      "integrity": "sha512-CybGs60B7oYU/qSQ6kuaFmRd9sTZ6oXSc0toqePvV74Ac6/IFZSI1ReFQmtCN+uvW1Mtqdwpvt/LGOiCBAY2Mg==",
+      "requires": {
+        "any-promise": "^1.3.0"
+      }
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -1187,6 +1342,58 @@
         }
       }
     },
+    "seq-queue": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/seq-queue/-/seq-queue-0.0.5.tgz",
+      "integrity": "sha1-1WgS4cAXpuTnw+Ojeh2m143TyT4="
+    },
+    "sequelize": {
+      "version": "5.21.5",
+      "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-5.21.5.tgz",
+      "integrity": "sha512-n9hR5K4uQGmBGK/Y/iqewCeSFmKVsd0TRnh0tfoLoAkmXbKC4tpeK96RhKs7d+TTMtrJlgt2TNLVBaAxEwC4iw==",
+      "requires": {
+        "bluebird": "^3.5.0",
+        "cls-bluebird": "^2.1.0",
+        "debug": "^4.1.1",
+        "dottie": "^2.0.0",
+        "inflection": "1.12.0",
+        "lodash": "^4.17.15",
+        "moment": "^2.24.0",
+        "moment-timezone": "^0.5.21",
+        "retry-as-promised": "^3.2.0",
+        "semver": "^6.3.0",
+        "sequelize-pool": "^2.3.0",
+        "toposort-class": "^1.0.1",
+        "uuid": "^3.3.3",
+        "validator": "^10.11.0",
+        "wkx": "^0.4.8"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
+        }
+      }
+    },
+    "sequelize-pool": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/sequelize-pool/-/sequelize-pool-2.3.0.tgz",
+      "integrity": "sha512-Ibz08vnXvkZ8LJTiUOxRcj1Ckdn7qafNZ2t59jYHMX1VIebTAOYefWdRYFt6z6+hy52WGthAHAoLc9hvk3onqA=="
+    },
     "serve-static": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
@@ -1218,6 +1425,11 @@
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
       "dev": true
     },
+    "shimmer": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/shimmer/-/shimmer-1.2.1.tgz",
+      "integrity": "sha512-sQTKC1Re/rM6XyFM6fIAGHRPVGvyXfgzIDvzoq608vM+jeyVD0Tu1E6Np0Kc2zAIFWIj963V2800iF/9LPieQw=="
+    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
@@ -1248,6 +1460,11 @@
         }
       }
     },
+    "sqlstring": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.1.tgz",
+      "integrity": "sha1-R1OT/56RR5rqYtyvDKPRSYOn+0A="
+    },
     "statuses": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
@@ -1322,6 +1539,11 @@
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
       "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
     },
+    "toposort-class": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toposort-class/-/toposort-class-1.0.1.tgz",
+      "integrity": "sha1-f/0feMi+KMO6Rc1OGj9e4ZO9mYg="
+    },
     "touch": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/touch/-/touch-3.1.0.tgz",
@@ -1406,6 +1628,11 @@
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
       "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
     },
+    "validator": {
+      "version": "10.11.0",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-10.11.0.tgz",
+      "integrity": "sha512-X/p3UZerAIsbBfN/IwahhYaBbY68EN/UQBWHtsbXGT5bfrH/p4NQzUCG1kF/rtKaNpnJ7jAu6NGTdSNtyNIXMw=="
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -1429,6 +1656,14 @@
         "string-width": "^2.1.1"
       }
     },
+    "wkx": {
+      "version": "0.4.8",
+      "resolved": "https://registry.npmjs.org/wkx/-/wkx-0.4.8.tgz",
+      "integrity": "sha512-ikPXMM9IR/gy/LwiOSqWlSL3X/J5uk9EO2hHNRXS41eTLXaUFEVw9fn/593jW/tE5tedNg8YjT5HkCa4FqQZyQ==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "write-file-atomic": {
       "version": "2.4.3",
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.3.tgz",
@@ -1454,8 +1689,7 @@
     "yallist": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-      "dev": true
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
     }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index 8317cec..426d009 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -15,6 +15,8 @@
     "express": "^4.17.1",
     "helmet": "^3.21.3",
     "moment": "^2.24.0",
+    "mysql2": "^2.1.0",
+    "sequelize": "^5.21.5",
     "smart-request-balancer": "^2.1.1"
   },
   "devDependencies": {
diff --git a/backend/routes/categories.js b/backend/routes/categories.js
new file mode 100644
index 0000000..dd28f0e
--- /dev/null
+++ b/backend/routes/categories.js
@@ -0,0 +1,11 @@
+const { Router }           = require('express');
+const categoriesController = require('../controllers/categories');
+
+const CategoriesRouter = Router();
+
+CategoriesRouter.route('/')
+
+    // Récupère les catégories
+    .get(categoriesController.getCategories);
+
+module.exports = CategoriesRouter;
\ No newline at end of file
diff --git a/backend/routes/functions.js b/backend/routes/functions.js
index e34b4f0..0e81447 100644
--- a/backend/routes/functions.js
+++ b/backend/routes/functions.js
@@ -1,11 +1,16 @@
-const { Router } = require('express');
-const { executeFunctionName } = require('../controllers/functions');
+const { Router }          = require('express');
+const functionsController = require('../controllers/functions');
 
 const FunctionsRouter = Router();
 
+FunctionsRouter.route('/')
+
+    // Récupère les fonctions
+    .get(functionsController.getFunctions);
+
 FunctionsRouter.route('/:functionName')
 
     // Exécute la fonction demandée en paramètre
-    .post(executeFunctionName);
+    .post(functionsController.executeFunctionName);
 
 module.exports = FunctionsRouter;
\ No newline at end of file