diff --git a/CHANGELOG.md b/CHANGELOG.md
index decea52..487d0b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Changes
 
 This document main purpose is to list changes which might affect backwards compatibility. 
-It will not list all releases as Twitter Backend Java is built in a continous delivery fashion.
+It will not list all releases as Twitter Backend Java is built in a continuous delivery fashion.
 
 ### 0.1.0-SNAPSHOT
 * Fix #1: Added GitHub Action workflows
diff --git a/pom.xml b/pom.xml
index 5b3c708..6db0307 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.7.17</version>
+    <version>3.2.0</version>
     <relativePath />
     <!-- lookup parent from repository -->
   </parent>
@@ -51,7 +51,7 @@
       <id>ohbus</id>
       <email>hello@subho.xyz</email>
       <url>https://subho.xyz</url>
-      <timezone>Asia/Kolkata</timezone>
+      <timezone>Europe/Vienna</timezone>
     </developer>
   </developers>
   
@@ -121,12 +121,6 @@
       <artifactId>spring-boot-starter-test</artifactId>
       <scope>test</scope>
     </dependency>
-
-    <dependency>
-      <groupId>io.springfox</groupId>
-      <artifactId>springfox-boot-starter</artifactId>
-      <version>3.0.0</version>
-    </dependency>
   </dependencies>
   
   <build>
diff --git a/src/main/java/xyz/subho/clone/twitter/TwitterBackendApplication.java b/src/main/java/xyz/subho/clone/twitter/TwitterBackendApplication.java
index 8e9573e..c49c3f9 100644
--- a/src/main/java/xyz/subho/clone/twitter/TwitterBackendApplication.java
+++ b/src/main/java/xyz/subho/clone/twitter/TwitterBackendApplication.java
@@ -20,10 +20,8 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import springfox.documentation.swagger2.annotations.EnableSwagger2;
 
 @SpringBootApplication
-@EnableSwagger2
 public class TwitterBackendApplication {
 
   public static void main(String[] args) {
diff --git a/src/main/java/xyz/subho/clone/twitter/config/ApplicationErrorController.java b/src/main/java/xyz/subho/clone/twitter/config/ApplicationErrorController.java
index 34cd338..9a0c299 100644
--- a/src/main/java/xyz/subho/clone/twitter/config/ApplicationErrorController.java
+++ b/src/main/java/xyz/subho/clone/twitter/config/ApplicationErrorController.java
@@ -18,8 +18,8 @@
 
 package xyz.subho.clone.twitter.config;
 
+import jakarta.servlet.http.HttpServletRequest;
 import java.util.Map;
-import javax.servlet.http.HttpServletRequest;
 import org.springframework.boot.autoconfigure.web.ServerProperties;
 import org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController;
 import org.springframework.boot.web.servlet.error.ErrorAttributes;
diff --git a/src/main/java/xyz/subho/clone/twitter/entity/HashtagPosts.java b/src/main/java/xyz/subho/clone/twitter/entity/HashtagPosts.java
index 3c8dfb9..6ffa08d 100644
--- a/src/main/java/xyz/subho/clone/twitter/entity/HashtagPosts.java
+++ b/src/main/java/xyz/subho/clone/twitter/entity/HashtagPosts.java
@@ -18,16 +18,16 @@
 
 package xyz.subho.clone.twitter.entity;
 
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
 import java.util.Date;
 import java.util.UUID;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.Table;
 import lombok.Data;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
diff --git a/src/main/java/xyz/subho/clone/twitter/entity/Hashtags.java b/src/main/java/xyz/subho/clone/twitter/entity/Hashtags.java
index 5a88376..8922e2a 100644
--- a/src/main/java/xyz/subho/clone/twitter/entity/Hashtags.java
+++ b/src/main/java/xyz/subho/clone/twitter/entity/Hashtags.java
@@ -19,20 +19,20 @@
 package xyz.subho.clone.twitter.entity;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Index;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 import java.util.UUID;
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.Index;
-import javax.persistence.OneToMany;
-import javax.persistence.Table;
 import lombok.Data;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
diff --git a/src/main/java/xyz/subho/clone/twitter/entity/Likes.java b/src/main/java/xyz/subho/clone/twitter/entity/Likes.java
index d08ed76..415c520 100644
--- a/src/main/java/xyz/subho/clone/twitter/entity/Likes.java
+++ b/src/main/java/xyz/subho/clone/twitter/entity/Likes.java
@@ -18,16 +18,16 @@
 
 package xyz.subho.clone.twitter.entity;
 
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
 import java.util.Date;
 import java.util.UUID;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.Table;
 import lombok.Data;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
diff --git a/src/main/java/xyz/subho/clone/twitter/entity/Posts.java b/src/main/java/xyz/subho/clone/twitter/entity/Posts.java
index 43e91b0..228b92d 100644
--- a/src/main/java/xyz/subho/clone/twitter/entity/Posts.java
+++ b/src/main/java/xyz/subho/clone/twitter/entity/Posts.java
@@ -19,24 +19,24 @@
 package xyz.subho.clone.twitter.entity;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.ElementCollection;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.ElementCollection;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToOne;
-import javax.persistence.OneToMany;
-import javax.persistence.Table;
 import lombok.Data;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
diff --git a/src/main/java/xyz/subho/clone/twitter/entity/Users.java b/src/main/java/xyz/subho/clone/twitter/entity/Users.java
index b4187a2..3dfdff2 100644
--- a/src/main/java/xyz/subho/clone/twitter/entity/Users.java
+++ b/src/main/java/xyz/subho/clone/twitter/entity/Users.java
@@ -19,23 +19,23 @@
 package xyz.subho.clone.twitter.entity;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.ElementCollection;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Index;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.ElementCollection;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.Index;
-import javax.persistence.OneToMany;
-import javax.persistence.Table;
 import lombok.Data;
 import org.hibernate.annotations.CreationTimestamp;
 import org.hibernate.annotations.UpdateTimestamp;
diff --git a/src/main/resources/application-dev.properties b/src/main/resources/application-dev.properties
index 20368d0..c7e2e68 100644
--- a/src/main/resources/application-dev.properties
+++ b/src/main/resources/application-dev.properties
@@ -29,11 +29,11 @@
 # =====================================
 
 # Set here configurations for the database connection
-spring.datasource.url=jdbc:mysql://localhost:3306/twitter?createDatabaseIfNotExist=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=Asia/Kolkata&useSSL=false
+spring.datasource.url=jdbc:mysql://${MYSQL_DB_HOST}:${MYSQL_DB_PORT}/twitter?createDatabaseIfNotExist=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=Asia/Kolkata&useSSL=false
 
 # Username and secret
-spring.datasource.username=root
-spring.datasource.password=root
+spring.datasource.username=${MYSQL_DB_UNAME}
+spring.datasource.password=${MYSQL_DB_PASSWD}
 
 # Keep the connection alive if idle for a long time (needed in production)
 spring.datasource.testWhileIdle=true
@@ -51,9 +51,9 @@ spring.jpa.show-sql=true
 spring.jpa.properties.hibernate.format_sql=true
 
 # Create the SQL file for initializing the database
-#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
-#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=target/db/covid-help.sql
-#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-source=metadata
+#spring.jpa.properties.jakarta.persistence.schema-generation.scripts.action=create
+#spring.jpa.properties.jakarta.persistence.schema-generation.scripts.create-target=target/db/covid-help.sql
+#spring.jpa.properties.jakarta.persistence.schema-generation.scripts.create-source=metadata
 
 # Hibernate ddl auto (create, create-drop, update): with "update" the database
 # schema will be automatically updated accordingly to java entities found in
diff --git a/src/test/java/xyz/subho/clone/twitter/TwitterBackendApplicationTests.java b/src/test/java/xyz/subho/clone/twitter/TwitterBackendApplicationTests.java
index bb50c9a..75275d7 100644
--- a/src/test/java/xyz/subho/clone/twitter/TwitterBackendApplicationTests.java
+++ b/src/test/java/xyz/subho/clone/twitter/TwitterBackendApplicationTests.java
@@ -22,7 +22,7 @@
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
-class TwitterBackendApplicationTests {
+class DemoApplicationTests {
 
   @Test
   void contextLoads() {}