diff --git a/.dockerignore b/.dockerignore
deleted file mode 100644
index 4b56232..0000000
--- a/.dockerignore
+++ /dev/null
@@ -1,6 +0,0 @@
-# NodeJs
-node_modules/
-dist/
-.git/
-export/
-.env
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 250b814..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,24 +0,0 @@
-FROM node:18-alpine AS build
-
-WORKDIR /app
-
-COPY package*.json ./
-
-RUN npm install
-
-COPY . /app
-
-RUN npm run build
-
-FROM node:18-alpine AS prod
-
-WORKDIR /app
-
-COPY --from=build /app/dist /app/dist
-COPY --from=build /app/node_modules /app/node_modules
-COPY --from=build /app/package.json /app/package.json
-COPY --from=build /app/.env /app/.env
-
-EXPOSE 5000
-
-CMD [ "npm", "run", "start" ]
\ No newline at end of file
diff --git a/src/env.defaults.ts b/src/env.defaults.ts
index 2ad0925..459baa6 100644
--- a/src/env.defaults.ts
+++ b/src/env.defaults.ts
@@ -23,20 +23,20 @@ export const CLUB_NAME = process.env.CLUB_NAME ?? "";
 
 export function configCheck() {
   if (DB_TYPE != "mysql" && DB_TYPE != "sqlite") throw new Error("set valid value to DB_TYPE (mysql|sqlite)");
-  if (DB_HOST == "" || typeof DB_HOST != "string") throw new Error("set valid value to DB_HOST");
-  if (DB_NAME == "" || typeof DB_NAME != "string") throw new Error("set valid value to DB_NAME");
-  if (DB_USERNAME == "" || typeof DB_USERNAME != "string") throw new Error("set valid value to DB_USERNAME");
-  if (DB_PASSWORD == "" || typeof DB_PASSWORD != "string") throw new Error("set valid value to DB_PASSWORD");
+  if (DB_HOST == "" ?? typeof DB_HOST != "string") throw new Error("set valid value to DB_HOST");
+  if (DB_NAME == "" ?? typeof DB_NAME != "string") throw new Error("set valid value to DB_NAME");
+  if (DB_USERNAME == "" ?? typeof DB_USERNAME != "string") throw new Error("set valid value to DB_USERNAME");
+  if (DB_PASSWORD == "" ?? typeof DB_PASSWORD != "string") throw new Error("set valid value to DB_PASSWORD");
 
   if (typeof SERVER_PORT != "number") throw new Error("set valid numeric value to SERVER_PORT");
 
-  if (JWT_SECRET == "" || typeof JWT_SECRET != "string") throw new Error("set valid value to JWT_SECRET");
+  if (JWT_SECRET == "" ?? typeof JWT_SECRET != "string") throw new Error("set valid value to JWT_SECRET");
   checkMS(JWT_EXPIRATION, "JWT_EXPIRATION");
   checkMS(REFRESH_EXPIRATION, "REFRESH_EXPIRATION");
 
-  if (MAIL_USERNAME == "" || typeof MAIL_USERNAME != "string") throw new Error("set valid value to MAIL_USERNAME");
-  if (MAIL_PASSWORD == "" || typeof MAIL_PASSWORD != "string") throw new Error("set valid value to MAIL_PASSWORD");
-  if (MAIL_HOST == "" || typeof MAIL_HOST != "string") throw new Error("set valid value to MAIL_HOST");
+  if (MAIL_USERNAME == "" ?? typeof MAIL_USERNAME != "string") throw new Error("set valid value to MAIL_USERNAME");
+  if (MAIL_PASSWORD == "" ?? typeof MAIL_PASSWORD != "string") throw new Error("set valid value to MAIL_PASSWORD");
+  if (MAIL_HOST == "" ?? typeof MAIL_HOST != "string") throw new Error("set valid value to MAIL_HOST");
   if (typeof MAIL_PORT != "number") throw new Error("set valid numeric value to MAIL_PORT");
   if (MAIL_SECURE != "true" && MAIL_SECURE != "false") throw new Error("set 'true' or 'false' to MAIL_SECURE");
 }
diff --git a/src/index.ts b/src/index.ts
index 38374a4..6fd0f99 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -23,7 +23,7 @@ const app = express();
 import router from "./routes/index";
 import { PermissionObject } from "./type/permissionTypes";
 router(app);
-app.listen(process.env.NODE_ENV ? SERVER_PORT : 5000, () => {
+app.listen(SERVER_PORT, () => {
   console.log(`listening on *:${SERVER_PORT}`);
 });