diff --git a/.eslintignore b/.eslintignore
index 7e45de312a..24526f596e 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,2 +1,3 @@
 # Contains the PDF file of the Tag as JSON string, thus does not need to be linted
-src/components/CheckIn/tagTemplate.ts
\ No newline at end of file
+src/components/CheckIn/tagTemplate.ts
+docker-compose.yml
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index fe910c11fa..8abbeabb9b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-alpine
+FROM node:lts
 
 WORKDIR /usr/src/app
 
@@ -8,6 +8,6 @@ RUN npm install --legacy-peer-deps
 
 COPY . .
 
-EXPOSE 3000
+EXPOSE $PORT
 
 CMD ["npm", "run", "serve"]
diff --git a/INSTALLATION.md b/INSTALLATION.md
index 1816417fc9..5216d98f9f 100644
--- a/INSTALLATION.md
+++ b/INSTALLATION.md
@@ -11,7 +11,7 @@ This document provides instructions on how to set up and start a running instanc
   - [Setting up this repository](#setting-up-this-repository)
   - [Setting up npm](#setting-up-npm)
   - [Setting up Typescript](#setting-up-typescript)
-  - [Installation With Docker](#installation-using-docker)
+  - [Installation Using Docker](#installation-using-docker)
   - [Installing required packages/dependencies](#installing-required-packagesdependencies)
 - [Configuration](#configuration)
   - [Creating .env file](#creating-env-file)
@@ -20,7 +20,7 @@ This document provides instructions on how to set up and start a running instanc
   - [Setting up REACT_APP_RECAPTCHA_SITE_KEY in .env file](#setting-up-react_app_recaptcha_site_key-in-env-file)
   - [Setting up Compiletime and Runtime logs](#setting-up-compiletime-and-runtime-logs)
 - [Post Configuration Steps](#post-configuration-steps)
-  - [Running Talawa-Admin](#running-talawa-admin)
+  - [Running Talawa-Admin without Docker](#running-talawa-admin-without-docker)
   - [Accessing Talawa-Admin](#accessing-talawa-admin)
   - [Talawa-Admin Registration](#talawa-admin-registration)
   - [Talawa-Admin Login](#talawa-admin-login)
@@ -29,8 +29,8 @@ This document provides instructions on how to set up and start a running instanc
   - [Debugging tests](#debugging-tests)
   - [Linting code files](#linting-code-files)
   - [Husky for Git Hooks](#husky-for-git-hooks)
-    - [pre-commit hook](#pre-commit-hook)
-    - [post-merge hook](#post-merge-hook)
+      - [pre-commit hook](#pre-commit-hook)
+      - [post-merge hook](#post-merge-hook)
 
 <!-- tocstop -->
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 8c895fe4b8..c22d839a74 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,4 +6,4 @@ services:
     volumes:
       - .:/usr/src/app
     ports:
-      - '3000:3000'
+      - $PORT:$PORT