diff --git a/.gitignore b/.gitignore
index ceaea36..717b979 100644
--- a/.gitignore
+++ b/.gitignore
@@ -130,3 +130,13 @@ dist
 .yarn/install-state.gz
 .pnp.*
 
+build/
+.env
+
+backend/build
+backend/node-modules
+
+frontend/build
+frontend/node-modules
+
+data/
diff --git a/backend/Dockerfile b/backend.Dockerfile
similarity index 79%
rename from backend/Dockerfile
rename to backend.Dockerfile
index 8148977..4514548 100644
--- a/backend/Dockerfile
+++ b/backend.Dockerfile
@@ -2,7 +2,8 @@ FROM node:22-bullseye
 
 WORKDIR /opt/backend
 
-COPY . .
+COPY backend .
+COPY .env .
 RUN npm i
 
 EXPOSE 3000
diff --git a/backend/src/index.ts b/backend/src/index.ts
index 7ac5134..efdd72e 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -1,7 +1,7 @@
 import express from "express";
 import { AppDataSource } from "./data-source";
 import UserRouter from "./routers/user";
-import bodyParser from "body-parser";
+import fs from 'fs';
 import cookieParser from 'cookie-parser';
 import PostRouter from "./routers/post";
 import session from "express-session";
@@ -17,6 +17,8 @@ app.use(session({
     saveUninitialized: false,
 }));
 
+if (!fs.existsSync(process.env.UPLOAD_DESTINATION)) fs.mkdirSync(process.env.UPLOAD_DESTINATION);
+
 AppDataSource.initialize().then(() => {
     app.use('/api/v1/user/', UserRouter);
     app.use('/api/v1/post/', PostRouter);
diff --git a/backend/src/middlewares/utils.ts b/backend/src/middlewares/utils.ts
index a66f4c3..a04e15d 100644
--- a/backend/src/middlewares/utils.ts
+++ b/backend/src/middlewares/utils.ts
@@ -20,7 +20,7 @@ const handlePostData = async (req: Request, res: Response, next: NextFunction):
 
         if (postToUpdate.type == 1) {
             const filename = postToUpdate.message;
-            fs.rmSync(`${process.env.UPLOAD_DESTINATION}/${filename}`);
+            fs.unlinkSync(`${process.env.UPLOAD_DESTINATION}/${filename}`);
         }
     }
     if (req.file) {
@@ -33,9 +33,10 @@ const handlePostData = async (req: Request, res: Response, next: NextFunction):
         const hash = crypto.createHash('md5');
         hash.update(buffer);
         const newFilename = `${hash.digest('hex')}${extension}`;
-        fs.renameSync(`./${req.file.path}`, `${process.env.UPLOAD_DESTINATION}/${newFilename}`)
-        post.message = newFilename
-        post.type = 1
+        fs.copyFileSync(`./${req.file.path}`, `${process.env.UPLOAD_DESTINATION}/${newFilename}`);
+        fs.unlinkSync(`./${req.file.path}`);
+        post.message = newFilename;
+        post.type = 1;
     } else {
         post.type = 0;
         post.message = message;
diff --git a/docker-compose.yml b/docker-compose.yml
index 55c78a3..8dd2602 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,7 +11,9 @@ services:
     healthcheck:
       test: pg_isready -U $${DB_USER} -d $${DB_NAME}
   backend:
-    build: backend
+    build:
+      context: .
+      dockerfile: backend.Dockerfile
     env_file: .env
     ports:
       - 8080:${APP_PORT}
@@ -19,4 +21,4 @@ services:
       - database
     restart: on-failure
     volumes:
-      - ./data/files:${PWD}/${UPLOAD_DESTINATION}
+      - ./data/files:${UPLOAD_DESTINATION}