Create S3Client bean

pom.xml

@@ -31,6 +31,7 @@
         <java.version>21</java.version>
 
         <modelmapper.version>3.2.4</modelmapper.version>
+        <spring-dotenv.version>4.0.0</spring-dotenv.version>
     </properties>
     <dependencyManagement>
         <dependencies>
@@ -81,6 +82,12 @@
             <artifactId>s3</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>me.paulschwarz</groupId>
+            <artifactId>spring-dotenv</artifactId>
+            <version>${spring-dotenv.version}</version>
+        </dependency>
+
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>