diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 3d74c83..46b288d 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -14,6 +14,9 @@ concurrency:
   group: "pages"
   cancel-in-progress: true
 
+env:
+  BACKEND_DIR: backend
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -56,11 +59,11 @@ jobs:
           distribution: temurin
           java-version: '21'
       - name: Build Javadoc (Maven)
-        working-directory: Part1_RESTful-API-SpringBoot
+        working-directory: ${{ env.BACKEND_DIR }}
         run: mvn -q -DskipTests javadoc:javadoc
 # For later(Part 3) when we migrate to gradle
 #      - name: Build Javadoc (Gradle)
-#        working-directory: Part1_RESTful-API-SpringBoot
+#        working-directory: ${{ env.BACKEND_DIR }}
 #        run: |
 #          ./gradlew -q clean javadoc
 
@@ -68,9 +71,9 @@ jobs:
       - name: Copy Javadoc into site
         run: |
           mkdir -p fullstack-book/static/javadoc
-          rsync -av --delete Part1_RESTful-API-SpringBoot/target/site/apidocs/ fullstack-book/static/javadoc/ || true
+          rsync -av --delete ${{ env.BACKEND_DIR }}/target/site/apidocs/ fullstack-book/static/javadoc/ || true
 # For later(Part 3) when we migrate to gradle
-#          rsync -av --delete Part1_RESTful-API-SpringBoot/build/docs/javadoc/ fullstack-book/static/javadoc/ || true
+#          rsync -av --delete ${{ env.BACKEND_DIR }}/build/docs/javadoc/ fullstack-book/static/javadoc/ || true
 
       - uses: actions/setup-node@v4
         with:
diff --git a/.gitignore b/.gitignore
index 4c4cb5f..b71de35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,7 +76,7 @@ Thumbs.db
 # -------------------------
 # Project-specific (multi-part repo)
 # -------------------------
-Part1_RESTful-API-SpringBoot/target/
+backend/target/
 Part2_Responsive-Frontend-React/node_modules/
 part3-advanced-backend/target/
 part4-advanced-frontend/node_modules/
@@ -85,9 +85,9 @@ part5-devops/.env
 # -------------------------
 # Database Artifacts (H2 file-based)
 # -------------------------
-Part1_RESTful-API-SpringBoot/.data/
-Part1_RESTful-API-SpringBoot/*.mv.db
-Part1_RESTful-API-SpringBoot/*.trace.db
+backend/.data/
+backend/*.mv.db
+backend/*.trace.db
 
 # -------------------------
 # Docusaurus / Book Outputs
diff --git a/Part1_RESTful-API-SpringBoot/.gitattributes b/backend/.gitattributes
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/.gitattributes
rename to backend/.gitattributes
diff --git a/Part1_RESTful-API-SpringBoot/.gitignore b/backend/.gitignore
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/.gitignore
rename to backend/.gitignore
diff --git a/Part1_RESTful-API-SpringBoot/.mvn/wrapper/maven-wrapper.properties b/backend/.mvn/wrapper/maven-wrapper.properties
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/.mvn/wrapper/maven-wrapper.properties
rename to backend/.mvn/wrapper/maven-wrapper.properties
diff --git a/Part1_RESTful-API-SpringBoot/README.md b/backend/README.md
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/README.md
rename to backend/README.md
diff --git a/Part1_RESTful-API-SpringBoot/mvnw b/backend/mvnw
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/mvnw
rename to backend/mvnw
diff --git a/Part1_RESTful-API-SpringBoot/mvnw.cmd b/backend/mvnw.cmd
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/mvnw.cmd
rename to backend/mvnw.cmd
diff --git a/Part1_RESTful-API-SpringBoot/pom.xml b/backend/pom.xml
similarity index 97%
rename from Part1_RESTful-API-SpringBoot/pom.xml
rename to backend/pom.xml
index 951b7ca..f881bd0 100644
--- a/Part1_RESTful-API-SpringBoot/pom.xml
+++ b/backend/pom.xml
@@ -11,8 +11,8 @@
     <groupId>com.example</groupId>
     <artifactId>SpringRest</artifactId>
     <version>0.0.1-SNAPSHOT</version>
-    <name>Part1_RESTful-API-SpringBoot</name>
-    <description>Part1_RESTful-API-SpringBoot</description>
+    <name>backend</name>
+    <description>backend</description>
     <url/>
     <licenses>
         <license/>
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/SpringRestApplication.java b/backend/src/main/java/com/example/springrest/SpringRestApplication.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/SpringRestApplication.java
rename to backend/src/main/java/com/example/springrest/SpringRestApplication.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/config/CorsConfig.java b/backend/src/main/java/com/example/springrest/config/CorsConfig.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/config/CorsConfig.java
rename to backend/src/main/java/com/example/springrest/config/CorsConfig.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/config/package-info.java b/backend/src/main/java/com/example/springrest/config/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/config/package-info.java
rename to backend/src/main/java/com/example/springrest/config/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/controllers/ProductController.java b/backend/src/main/java/com/example/springrest/controllers/ProductController.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/controllers/ProductController.java
rename to backend/src/main/java/com/example/springrest/controllers/ProductController.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/controllers/package-info.java b/backend/src/main/java/com/example/springrest/controllers/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/controllers/package-info.java
rename to backend/src/main/java/com/example/springrest/controllers/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/dto/ProductRequest.java b/backend/src/main/java/com/example/springrest/dto/ProductRequest.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/dto/ProductRequest.java
rename to backend/src/main/java/com/example/springrest/dto/ProductRequest.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/dto/ProductResponse.java b/backend/src/main/java/com/example/springrest/dto/ProductResponse.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/dto/ProductResponse.java
rename to backend/src/main/java/com/example/springrest/dto/ProductResponse.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/dto/package-info.java b/backend/src/main/java/com/example/springrest/dto/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/dto/package-info.java
rename to backend/src/main/java/com/example/springrest/dto/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/exceptions/GlobalExceptionHandler.java b/backend/src/main/java/com/example/springrest/exceptions/GlobalExceptionHandler.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/exceptions/GlobalExceptionHandler.java
rename to backend/src/main/java/com/example/springrest/exceptions/GlobalExceptionHandler.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/exceptions/ResourceNotFoundException.java b/backend/src/main/java/com/example/springrest/exceptions/ResourceNotFoundException.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/exceptions/ResourceNotFoundException.java
rename to backend/src/main/java/com/example/springrest/exceptions/ResourceNotFoundException.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/exceptions/package-info.java b/backend/src/main/java/com/example/springrest/exceptions/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/exceptions/package-info.java
rename to backend/src/main/java/com/example/springrest/exceptions/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/mappers/ProductMapper.java b/backend/src/main/java/com/example/springrest/mappers/ProductMapper.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/mappers/ProductMapper.java
rename to backend/src/main/java/com/example/springrest/mappers/ProductMapper.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/mappers/package-info.java b/backend/src/main/java/com/example/springrest/mappers/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/mappers/package-info.java
rename to backend/src/main/java/com/example/springrest/mappers/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/models/Product.java b/backend/src/main/java/com/example/springrest/models/Product.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/models/Product.java
rename to backend/src/main/java/com/example/springrest/models/Product.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/models/package-info.java b/backend/src/main/java/com/example/springrest/models/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/models/package-info.java
rename to backend/src/main/java/com/example/springrest/models/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/package-info.java b/backend/src/main/java/com/example/springrest/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/package-info.java
rename to backend/src/main/java/com/example/springrest/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/repositories/ProductRepo.java b/backend/src/main/java/com/example/springrest/repositories/ProductRepo.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/repositories/ProductRepo.java
rename to backend/src/main/java/com/example/springrest/repositories/ProductRepo.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/repositories/package-info.java b/backend/src/main/java/com/example/springrest/repositories/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/repositories/package-info.java
rename to backend/src/main/java/com/example/springrest/repositories/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/services/ProductService.java b/backend/src/main/java/com/example/springrest/services/ProductService.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/services/ProductService.java
rename to backend/src/main/java/com/example/springrest/services/ProductService.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/services/package-info.java b/backend/src/main/java/com/example/springrest/services/package-info.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/java/com/example/springrest/services/package-info.java
rename to backend/src/main/java/com/example/springrest/services/package-info.java
diff --git a/Part1_RESTful-API-SpringBoot/src/main/javadoc/javadoc.css b/backend/src/main/javadoc/javadoc.css
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/main/javadoc/javadoc.css
rename to backend/src/main/javadoc/javadoc.css
diff --git a/Part1_RESTful-API-SpringBoot/src/main/resources/application.properties b/backend/src/main/resources/application.properties
similarity index 92%
rename from Part1_RESTful-API-SpringBoot/src/main/resources/application.properties
rename to backend/src/main/resources/application.properties
index 26b33c8..26c2c8b 100644
--- a/Part1_RESTful-API-SpringBoot/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -1,4 +1,4 @@
-spring.application.name=Part1_RESTful-API-SpringBoot
+spring.application.name=backend
 
 # CORS - Allowed origins
 app.cors.origins=http://localhost:5173,http://127.0.0.1:5173
diff --git a/Part1_RESTful-API-SpringBoot/src/test/java/com/example/springrest/SpringRestApplicationTests.java b/backend/src/test/java/com/example/springrest/SpringRestApplicationTests.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/test/java/com/example/springrest/SpringRestApplicationTests.java
rename to backend/src/test/java/com/example/springrest/SpringRestApplicationTests.java
diff --git a/Part1_RESTful-API-SpringBoot/src/test/java/com/example/springrest/controllers/ProductControllerTest.java b/backend/src/test/java/com/example/springrest/controllers/ProductControllerTest.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/test/java/com/example/springrest/controllers/ProductControllerTest.java
rename to backend/src/test/java/com/example/springrest/controllers/ProductControllerTest.java
diff --git a/Part1_RESTful-API-SpringBoot/src/test/java/com/example/springrest/repositories/ProductRepoTest.java b/backend/src/test/java/com/example/springrest/repositories/ProductRepoTest.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/test/java/com/example/springrest/repositories/ProductRepoTest.java
rename to backend/src/test/java/com/example/springrest/repositories/ProductRepoTest.java
diff --git a/Part1_RESTful-API-SpringBoot/src/test/java/com/example/springrest/services/ProductServiceTest.java b/backend/src/test/java/com/example/springrest/services/ProductServiceTest.java
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/test/java/com/example/springrest/services/ProductServiceTest.java
rename to backend/src/test/java/com/example/springrest/services/ProductServiceTest.java
diff --git a/Part1_RESTful-API-SpringBoot/src/test/postman/API endpoints testing.postman_collection.json b/backend/src/test/postman/API endpoints testing.postman_collection.json
similarity index 100%
rename from Part1_RESTful-API-SpringBoot/src/test/postman/API endpoints testing.postman_collection.json
rename to backend/src/test/postman/API endpoints testing.postman_collection.json
diff --git a/fullstack-book/package.json b/fullstack-book/package.json
index d720fef..7acae8c 100644
--- a/fullstack-book/package.json
+++ b/fullstack-book/package.json
@@ -13,7 +13,7 @@
     "serve": "docusaurus serve",
     "write-translations": "docusaurus write-translations",
     "write-heading-ids": "docusaurus write-heading-ids",
-    "docs:javadoc": "mvn -q -f ../Part1_RESTful-API-SpringBoot/pom.xml -DskipTests javadoc:javadoc && rm -rf static/javadoc && mkdir -p static/javadoc && rsync -a ../Part1_RESTful-API-SpringBoot/target/site/apidocs/ static/javadoc/",
+    "docs:javadoc": "mvn -q -f ../backend/pom.xml -DskipTests javadoc:javadoc && rm -rf static/javadoc && mkdir -p static/javadoc && rsync -a ../backend/target/site/apidocs/ static/javadoc/",
     "start:with-javadoc": "npm run docs:javadoc && cross-env LOCAL_DOCS=external docusaurus start"
   },
   "dependencies": {