remove unecessary exposed port

Dockerfile

@@ -22,8 +22,5 @@ WORKDIR /usr/src/app
 # Copy the built artifacts from the builder stage to the production stage
 COPY --from=builder /usr/src/app .
 
-# Expose the port the app runs on
-EXPOSE 3000
-
 # Command to run the application in the production stage
 CMD ["node", "index.js"]

README.md

@@ -46,7 +46,7 @@ docker build -t discord-badge .
 ```
 3. Run the container and insert your Discord bot token
 ```bash
-docker run -it -p 3000:3000 discord-badge
+docker run -it discord-badge
 ```
 4. Jump directly to step 12 and follow the remaining steps from the main instruction