diff --git a/data-retention-service/Dockerfile b/data-retention-service/Dockerfile
index 93f8136..7cf6b65 100644
--- a/data-retention-service/Dockerfile
+++ b/data-retention-service/Dockerfile
@@ -8,10 +8,8 @@ WORKDIR /app
 # Copy package files
 COPY package*.json ./
 
-# Install only production dependencies
-RUN npm ci --only=production
-
-# Copy source code
+    # Install only production dependencies
+    RUN npm ci --only=production && npm cache clean --force# Copy source code
 COPY . .
 
 # Create non-root user
diff --git a/data-retention-service/package-lock.json b/data-retention-service/package-lock.json
new file mode 100644
index 0000000..3916ad1
--- /dev/null
+++ b/data-retention-service/package-lock.json
@@ -0,0 +1,126 @@
+{
+  "name": "data-retention-service",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "data-retention-service",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "node-cron": "^3.0.2",
+        "pg": "^8.11.3",
+        "sequelize": "^6.32.1"
+      },
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
+    "node_modules/node-cron": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/node-cron/-/node-cron-3.0.2.tgz",
+      "integrity": "sha512-iP8l0yGlNpE0e6q1o185yOApANRe47UPbLf4YxfbiNHt/RU5eBcGB/e0oudruheSf+LQeDMezqC5BVAb5wwRcQ==",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/pg": {
+      "version": "8.11.3",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-8.11.3.tgz",
+      "integrity": "sha512-+9iuvG8QfaaUrrph+kpF24cXkH1YOOUeArRNYIxq1viYHZagBxrTno7cecY1Fa44tJeZvaoG+Djpkc3JwehN5g==",
+      "dependencies": {
+        "buffer-writer": "2.0.0",
+        "packet-reader": "1.0.0",
+        "pg-connection-string": "^2.6.2",
+        "pg-pool": "^3.6.2",
+        "pg-protocol": "^1.6.0",
+        "pg-types": "^2.1.0"
+      },
+      "engines": {
+        "node": ">= 8.0.0"
+      },
+      "optionalDependencies": {
+        "pg-cloudflare": "^1.1.1"
+      },
+      "peerDependencies": {
+        "pg-native": ">=3.0.1"
+      },
+      "peerDependenciesMeta": {
+        "pg-native": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/sequelize": {
+      "version": "6.32.1",
+      "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-6.32.1.tgz",
+      "integrity": "sha512-3Iat0nLn9+pJWJs8SJmhLOV9CpHOiZPwFKnvjYHWy4CHkxtIu6pA7nZEckdlb9ckylIhJsWUCgXXEyRWfCzBMw==",
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/sequelize"
+        }
+      ],
+      "dependencies": {
+        "debug": "^4.3.4",
+        "dottie": "^2.0.6",
+        "inflection": "^1.13.4",
+        "lodash": "^4.17.21",
+        "moment": "^2.29.4",
+        "moment-timezone": "^0.5.43",
+        "pg-connection-string": "^2.6.1",
+        "retry-as-promised": "^7.0.4",
+        "semver": "^7.5.4",
+        "sequelize-pool": "^7.1.0",
+        "toposort-class": "^1.0.1",
+        "uuid": "^8.3.2",
+        "validator": "^13.9.0",
+        "wkx": "^0.5.0"
+      },
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "ibm_db": "^2.0.0",
+        "mariadb": "^3.0.0",
+        "mysql2": "^2.2.5 || ^3.0.0",
+        "oracledb": "^5.1.0",
+        "pg": "^8.5.1",
+        "pg-hstore": "^2.3.2",
+        "snowflake-sdk": "^1.6.0",
+        "sqlite3": "^5.0.0",
+        "tedious": "^11.0.1"
+      },
+      "peerDependenciesMeta": {
+        "ibm_db": {
+          "optional": true
+        },
+        "mariadb": {
+          "optional": true
+        },
+        "mysql2": {
+          "optional": true
+        },
+        "oracledb": {
+          "optional": true
+        },
+        "pg": {
+          "optional": true
+        },
+        "pg-hstore": {
+          "optional": true
+        },
+        "snowflake-sdk": {
+          "optional": true
+        },
+        "sqlite3": {
+          "optional": true
+        },
+        "tedious": {
+          "optional": true
+        }
+      }
+    }
+  }
+}
\ No newline at end of file