diff --git a/package-lock.json b/package-lock.json
index 40acd8c..3d0a388 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@discordjs/rest": "^0.5.0",
         "@ghom/handler": "^3.1.0",
-        "@ghom/logger": "^2.0.0",
+        "@ghom/logger": "^2.0.1",
         "@ghom/orm": "^1.7.0",
         "boxen": "^7.0.0",
         "chalk": "^5.0.1",
@@ -29,7 +29,8 @@
         "sqlite3": "^5.0.8",
         "tims": "^2.1.0",
         "types-package-json": "^2.0.39",
-        "yargs-parser": "^21.0.1"
+        "yargs-parser": "^21.0.1",
+        "zod": "^3.23.8"
       },
       "devDependencies": {
         "@esbuild/linux-x64": "^0.20.1",
@@ -983,9 +984,9 @@
       }
     },
     "node_modules/@ghom/logger": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/@ghom/logger/-/logger-2.0.0.tgz",
-      "integrity": "sha512-yjlx3XxqDWODT3UnC0ZDbUX5w5uLKTxTLy0Hk0X8a0D7MhImAqGdAaSv2ByrfowwZuckfbZeEEiCYcBFp3Q57A==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@ghom/logger/-/logger-2.0.1.tgz",
+      "integrity": "sha512-PBNXbQAS1H2nO9+sCnJ4jmnUVrsVBatbejcLD9h8827F4Wl0k/JpeLBITb990AsZlplE9EWHAwmjjdaN1whMTg==",
       "dependencies": {
         "chalk": "=4.1.2",
         "dayjs": "^1.11.7"
@@ -11453,6 +11454,14 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
+    },
+    "node_modules/zod": {
+      "version": "3.23.8",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.23.8.tgz",
+      "integrity": "sha512-XBx9AXhXktjUqnepgTiE5flcKIYWi/rme0Eaj+5Y0lftuGBq+jyRu/md4WnuxqgP1ubdpNCsYEYPxrzVHD8d6g==",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index e016819..b9237ce 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   "dependencies": {
     "@discordjs/rest": "^0.5.0",
     "@ghom/handler": "^3.1.0",
-    "@ghom/logger": "^2.0.0",
+    "@ghom/logger": "^2.0.1",
     "@ghom/orm": "^1.7.0",
     "boxen": "^7.0.0",
     "chalk": "^5.0.1",
@@ -56,7 +56,8 @@
     "sqlite3": "^5.0.8",
     "tims": "^2.1.0",
     "types-package-json": "^2.0.39",
-    "yargs-parser": "^21.0.1"
+    "yargs-parser": "^21.0.1",
+    "zod": "^3.23.8"
   },
   "devDependencies": {
     "@esbuild/linux-x64": "^0.20.1",
diff --git a/src/app.native.ts b/src/app.native.ts
index b051824..5daf806 100644
--- a/src/app.native.ts
+++ b/src/app.native.ts
@@ -18,3 +18,5 @@ export * as command from "./app/command.ts"
 export * as logger from "./app/logger.ts"
 export * as slash from "./app/slash.ts"
 export * as util from "./app/util.ts"
+
+export { default as env } from "./app/env.ts"
diff --git a/src/app/command.ts b/src/app/command.ts
index dd9afd8..95554fc 100644
--- a/src/app/command.ts
+++ b/src/app/command.ts
@@ -9,13 +9,14 @@ import yargsParser from "yargs-parser"
 
 import * as handler from "@ghom/handler"
 
+import env from "./env.ts"
+
 import * as util from "./util.ts"
 import * as logger from "./logger.ts"
 import * as argument from "./argument.ts"
 import * as config from "./config.ts"
 
 import { filename } from "dirname-filename-esm"
-
 const __filename = filename(import.meta)
 
 export const commandHandler = new handler.Handler(
@@ -476,7 +477,7 @@ export async function prepareCommand(
     if (util.scrap(cmd.options.guildOwnerOnly, message))
       if (
         message.guild.ownerId !== message.member.id &&
-        process.env.BOT_OWNER !== message.member.id
+        env.BOT_OWNER !== message.member.id
       )
         return util.getSystemMessage("error", {
           author: {
@@ -569,7 +570,7 @@ export async function prepareCommand(
       })
 
   if (await util.scrap(cmd.options.botOwnerOnly, message))
-    if (process.env.BOT_OWNER !== message.author.id)
+    if (env.BOT_OWNER !== message.author.id)
       return util.getSystemMessage("error", {
         author: {
           name: "You must be my owner.",
diff --git a/src/app/database.ts b/src/app/database.ts
index 9b8624c..ce6fed2 100644
--- a/src/app/database.ts
+++ b/src/app/database.ts
@@ -2,6 +2,7 @@
 
 import { ORM } from "@ghom/orm"
 import { logger } from "@ghom/logger"
+import env from "./env.ts"
 import path from "path"
 import fs from "fs"
 
@@ -16,7 +17,7 @@ export const orm = new ORM({
     useNullAsDefault: true,
     connection: {
       filename: path.join(dataDirectory, "sqlite3.db"),
-      timezone: process.env.BOT_TIMEZONE || "UTC",
+      timezone: env.BOT_TIMEZONE || "UTC",
     },
   },
   logger,
diff --git a/src/app/env.ts b/src/app/env.ts
new file mode 100644
index 0000000..7cb038a
--- /dev/null
+++ b/src/app/env.ts
@@ -0,0 +1,82 @@
+import "dotenv/config"
+
+import { z, ZodError } from "zod"
+import fs from "fs"
+import path from "path"
+import chalk from "chalk"
+
+import * as logger from "./logger.ts"
+
+const localeList: { key: string; name: string }[] = JSON.parse(
+  fs.readFileSync(
+    path.join(process.cwd(), "node_modules", "dayjs", "locale.json"),
+    "utf-8",
+  ),
+)
+
+const localeKeys = localeList.map((locale) => locale.key) as [
+  string,
+  ...string[],
+]
+
+const timezones = Intl.supportedValuesOf("timeZone") as [string, ...string[]]
+
+const envSchema = z.object({
+  BOT_TOKEN: z.string({
+    message: `You need to add your ${chalk.bold("BOT_TOKEN")} in the .env file. You can found this token on this page in the "Bot" tab: ${
+      process.env.BOT_ID
+        ? `https://discord.com/developers/applications/${process.env.BOT_ID}/information`
+        : "https://discord.com/developers/applications"
+    }`,
+  }),
+  BOT_PREFIX: z.string({
+    message: `You need to add a ${chalk.bold("BOT_PREFIX")} in the .env file, for example: BOT_PREFIX="!"`,
+  }),
+  BOT_OWNER: z.string({
+    message: `You need to add your ${chalk.bold("BOT_OWNER")} Discord ID in the .env file, for example: BOT_OWNER="123456789012345678"`,
+  }),
+  BOT_ID: z.string({
+    message: `You need to add the ${chalk.bold("BOT_ID")} in the .env file. You can found this ID on this page in the "General Information" tab: ${
+      process.env.BOT_ID
+        ? `https://discord.com/developers/applications/${process.env.BOT_ID}/information`
+        : "https://discord.com/developers/applications"
+    }`,
+  }),
+  BOT_MODE: z.enum(["factory", "test", "development", "production"], {
+    message: `You need to add a ${chalk.bold("BOT_MODE")} in the .env file, for example: BOT_MODE="development"`,
+  }),
+  BOT_LOCALE: z
+    .enum(localeKeys, {
+      message: `Your ${chalk.bold("BOT_LOCALE")} in the .env file is not valid. You can choose between this list:\n=> ${localeKeys.join(", ")}`,
+    })
+    .optional(),
+  BOT_TIMEZONE: z
+    .enum(timezones, {
+      message: `Your ${chalk.bold("BOT_TIMEZONE")} in the .env file is not valid. You can choose between this list:\n=> ${timezones.join(", ")}`,
+    })
+    .optional(),
+  DB_PORT: z.coerce
+    .number({
+      message: `The ${chalk.bold("DB_PORT")} must be a valid port number between 0 and 65535`,
+    })
+    .max(
+      65535,
+      `The ${chalk.bold("DB_PORT")} must be a valid port number between 0 and 65535`,
+    )
+    .optional(),
+  DB_HOST: z.string().optional(),
+  DB_USER: z.string().optional(),
+  DB_PASSWORD: z.string().optional(),
+  DB_DATABASE: z.string().optional(),
+})
+
+let env: z.infer<typeof envSchema>
+try {
+  env = envSchema.parse(process.env)
+} catch (error) {
+  const { errors } = error as ZodError
+  errors.forEach((err) => logger.error(err.message, ".env"))
+  process.exit(1)
+}
+
+export default env
diff --git a/src/app/pagination.ts b/src/app/pagination.ts
index f4a41ba..906a9e3 100644
--- a/src/app/pagination.ts
+++ b/src/app/pagination.ts
@@ -7,7 +7,6 @@ import * as config from "./config.ts"
 import * as util from "./util.ts"
 
 import { filename } from "dirname-filename-esm"
-
 const __filename = filename(import.meta)
 
 export type PaginatorKey = "previous" | "next" | "start" | "end"
diff --git a/src/app/slash.ts b/src/app/slash.ts
index 33997a8..a84b526 100644
--- a/src/app/slash.ts
+++ b/src/app/slash.ts
@@ -8,6 +8,9 @@ import path from "path"
 import chalk from "chalk"
 
 import * as handler from "@ghom/handler"
+
+import env from "./env.ts"
+
 import * as logger from "./logger.ts"
 import * as config from "./config.ts"
 import * as util from "./util.ts"
@@ -253,13 +256,13 @@ export function validateSlashCommand(command: ISlashCommand) {
 }
 
 export async function registerSlashCommands(guildId?: string) {
-  const api = new rest.REST({ version: "10" }).setToken(process.env.BOT_TOKEN!)
+  const api = new rest.REST({ version: "10" }).setToken(env.BOT_TOKEN)
 
   try {
     const data = (await api.put(
       guildId
-        ? v10.Routes.applicationGuildCommands(process.env.BOT_ID!, guildId)
-        : v10.Routes.applicationCommands(process.env.BOT_ID!),
+        ? v10.Routes.applicationGuildCommands(env.BOT_ID, guildId)
+        : v10.Routes.applicationCommands(env.BOT_ID),
       {
         body: slashCommands.map((cmd) => cmd.builder.toJSON()),
       },
@@ -287,10 +290,7 @@ export async function prepareSlashCommand(
     options: {},
   }
 
-  if (
-    command.options.botOwnerOnly &&
-    interaction.user.id !== process.env.BOT_OWNER
-  )
+  if (command.options.botOwnerOnly && interaction.user.id !== env.BOT_OWNER)
     return new discord.EmbedBuilder()
       .setColor("Red")
       .setDescription("This command can only be used by the bot owner")
diff --git a/src/app/util.ts b/src/app/util.ts
index 439acba..cf32a3d 100644
--- a/src/app/util.ts
+++ b/src/app/util.ts
@@ -18,6 +18,8 @@ import relative from "dayjs/plugin/relativeTime.js"
 import timezone from "dayjs/plugin/timezone.js"
 import toObject from "dayjs/plugin/toObject.js"
 
+import env from "./env.ts"
+
 import * as logger from "./logger.ts"
 import * as config from "./config.ts"
 import * as client from "./client.ts"
@@ -84,7 +86,7 @@ export async function checkUpdates() {
   }
 }
 
-const locale = process.env.BOT_LOCALE
+const locale = env.BOT_LOCALE
 
 import(`dayjs/locale/${locale ?? "en"}.js`)
   .then(() => dayjs.locale(locale ?? "en"))
@@ -102,7 +104,7 @@ dayjs.extend(timezone)
 dayjs.extend(toObject)
 dayjs.utc(1)
 
-if (process.env.BOT_TIMEZONE) dayjs.tz.setDefault(process.env.BOT_TIMEZONE)
+if (env.BOT_TIMEZONE) dayjs.tz.setDefault(env.BOT_TIMEZONE)
 
 export { dayjs }
 
diff --git a/src/commands/info.native.ts b/src/commands/info.native.ts
index d76598b..e2c42da 100644
--- a/src/commands/info.native.ts
+++ b/src/commands/info.native.ts
@@ -34,7 +34,7 @@ export default new app.Command({
             lang: "yml",
             content: [
               `author: ${
-                message.client.users.resolve(process.env.BOT_OWNER!)!.username
+                message.client.users.resolve(app.env.BOT_OWNER)!.username
               }`,
               `uptime: ${time.duration(app.uptime(), {
                 format: "second",
diff --git a/src/config.ts b/src/config.ts
index 8c8dace..5cedd65 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -3,7 +3,7 @@ import * as app from "#app"
 export const config: app.Config = {
   ignoreBots: true,
   getPrefix() {
-    return process.env.BOT_PREFIX!
+    return app.env.BOT_PREFIX!
   },
   client: {
     intents: [
diff --git a/src/index.ts b/src/index.ts
index 4dc3166..6a2f320 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,14 +1,7 @@
 import { filename } from "dirname-filename-esm"
-
 const __filename = filename(import.meta)
 
-import "dotenv/config.js"
-
-for (const key of ["BOT_TOKEN", "BOT_PREFIX", "BOT_OWNER", "BOT_ID"]) {
-  if (!process.env[key] || /^{{.+}}$/.test(process.env[key] as string)) {
-    throw new Error(`You need to add "${key}" value in your .env file.`)
-  }
-}
+import env from "./app/env.ts"
 
 const app = await import("#app")
 
@@ -19,7 +12,7 @@ try {
   await app.listenerHandler.init()
   await app.initPagination()
   await app.checkUpdates()
-  await app.ClientSingleton.get().login(process.env.BOT_TOKEN)
+  await app.ClientSingleton.get().login(env.BOT_TOKEN)
 } catch (error: any) {
   app.error(error, __filename, true)
   process.exit(1)
diff --git a/src/listeners/command.messageCreate.native.ts b/src/listeners/command.messageCreate.native.ts
index 453859b..75dd38b 100644
--- a/src/listeners/command.messageCreate.native.ts
+++ b/src/listeners/command.messageCreate.native.ts
@@ -25,7 +25,7 @@ const listener: app.Listener<"messageCreate"> = {
         .catch()
 
     message.usedAsDefault = false
-    message.isFromBotOwner = message.author.id === process.env.BOT_OWNER!
+    message.isFromBotOwner = message.author.id === app.env.BOT_OWNER
 
     app.emitMessage(message.channel, message)
     app.emitMessage(message.author, message)
@@ -61,7 +61,7 @@ const listener: app.Listener<"messageCreate"> = {
     if (
       key !== "turn" &&
       !app.cache.ensure<boolean>("turn", true) &&
-      message.author.id !== process.env.BOT_OWNER
+      message.author.id !== app.env.BOT_OWNER
     )
       return
 
diff --git a/src/listeners/log.afterReady.native.ts b/src/listeners/log.afterReady.native.ts
index 3e5d462..acd7504 100644
--- a/src/listeners/log.afterReady.native.ts
+++ b/src/listeners/log.afterReady.native.ts
@@ -18,7 +18,7 @@ const listener: app.Listener<"afterReady"> = {
     app.log(
       `ok i'm ready! ${chalk.blue(
         "My default prefix is",
-      )} ${chalk.bgBlueBright.black(process.env.BOT_PREFIX)}`,
+      )} ${chalk.bgBlueBright.black(app.env.BOT_PREFIX)}`,
     )
 
     figlet(app.packageJSON.name, (err, value) => {
diff --git a/template.env b/template.env
index 88e8061..48293bb 100644
--- a/template.env
+++ b/template.env
@@ -1,6 +1,3 @@
-# The Secret value of Discord Application
-BOT_SECRET=
-
 # The token of the bot
 BOT_TOKEN=
 
diff --git a/templates/mysql2 b/templates/mysql2
index f9dd985..d87ad9d 100644
--- a/templates/mysql2
+++ b/templates/mysql2
@@ -2,6 +2,7 @@
 
 import { ORM } from "@ghom/orm"
 import { logger } from "@ghom/logger"
+import env from "./env.ts"
 import path from "path"
 
 export const orm = new ORM({
diff --git a/templates/pg b/templates/pg
index 694afc3..0994f9c 100644
--- a/templates/pg
+++ b/templates/pg
@@ -2,6 +2,7 @@
 
 import { ORM } from "@ghom/orm"
 import { logger } from "@ghom/logger"
+import env from "./env.ts"
 import path from "path"
 
 export const orm = new ORM({
diff --git a/templates/sqlite3 b/templates/sqlite3
index 0eaee72..9107031 100644
--- a/templates/sqlite3
+++ b/templates/sqlite3
@@ -2,6 +2,7 @@
 
 import { ORM } from "@ghom/orm"
 import { logger } from "@ghom/logger"
+import env from "./env.ts"
 import path from "path"
 import fs from "fs"