diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..18a272d
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,12 @@
+dist: bionic
+
+language: bash
+
+services:
+  - docker
+
+script:
+  - docker login -u="$registryuser" -p="$registrypw"
+  - docker build -t apollo-server .
+  - docker tag apollo-server flotte-docker-registry.spdns.org/flotte_user-managment
+  - docker push apollo-server:latest
\ No newline at end of file
diff --git a/src/datasources/db/cargobikeAPI.ts b/src/datasources/db/cargobikeAPI.ts
index 5cea37d..01307b4 100644
--- a/src/datasources/db/cargobikeAPI.ts
+++ b/src/datasources/db/cargobikeAPI.ts
@@ -48,6 +48,27 @@ export class CargoBikeAPI extends DataSource {
             .getOne())?.cargoBike;
     }
 
+    async lockCargoBike (id: number, req: any, dataSources: any) {
+        console.log("token:");
+        console.log(req.headers.authorization);
+        const token = req.headers.authorization?.replace('Bearer ', '');
+        console.log(token);
+        console.log(await dataSources.userAPI.getUserId(token));
+        const lock = await this.connection.getRepository(CargoBike)
+            .createQueryBuilder('cargoBike')
+            .select([
+                'cargoBike.lockedUntil',
+                'cargoBike.lockedBy'
+            ])
+            .where('id = :id', {
+                id: id
+            })
+            .getOne();
+        //console.log(req);
+        console.log(lock);
+        return false;
+    }
+
     /**
      * Updates CargoBike and return updated cargoBike
      * @param param0 cargoBike to be updated
diff --git a/src/datasources/userserver/method.ts b/src/datasources/userserver/method.ts
index 70ec609..5e89ef0 100644
--- a/src/datasources/userserver/method.ts
+++ b/src/datasources/userserver/method.ts
@@ -7,5 +7,6 @@ export enum Method {
     GetRoles = 0x52_4f_4c_45,
     GetRolePermissions = 0x50_45_52_4d,
     CreateRole = 0x43_52_4f_4c,
-    CreatePermissions = 0x43_50_45_52
+    CreatePermissions = 0x43_50_45_52,
+    GetUserID = 0x55534552
 }
diff --git a/src/datasources/userserver/userserviceAPI.ts b/src/datasources/userserver/userserviceAPI.ts
index 09174cd..389aff7 100644
--- a/src/datasources/userserver/userserviceAPI.ts
+++ b/src/datasources/userserver/userserviceAPI.ts
@@ -83,6 +83,15 @@ export class UserServerAPI extends DataSource {
         return response.data;
     }
 
+    /**
+     * Returns userId
+     * @param token
+     */
+    async getUserId (token: String): Promise<number> {
+        const response = await this.send<any>(new RPCMessage(Method.GetUserID, { token }));
+        return response.data;
+    }
+
     /**
      * Returns all permissions of the user
      * @param token
diff --git a/src/model/CargoBike.ts b/src/model/CargoBike.ts
index 5adc52b..99fb15f 100644
--- a/src/model/CargoBike.ts
+++ b/src/model/CargoBike.ts
@@ -142,7 +142,7 @@ export class CargoBike extends Bike {
     lockedBy: number;
 
     @Column({
-        type: 'date',
+        type: 'timestamp',
         nullable: true
     })
     lockedUntil: Date;
diff --git a/src/resolvers/cargobikeResolver.ts b/src/resolvers/cargobikeResolver.ts
index 0a2b70b..86e64e6 100644
--- a/src/resolvers/cargobikeResolver.ts
+++ b/src/resolvers/cargobikeResolver.ts
@@ -66,6 +66,14 @@ export default {
                 return new GraphQLError('Insufficient Permissions');
             }
         },
+        lockCargoBikeById: (_: any, { id }: { id: number }, { dataSources, req }:{dataSources: any, req: any }) => {
+            if (req.permissions.includes(Permission.WriteBike)) {
+               
+                return dataSources.cargoBikeAPI.lockCargoBike(id, req, dataSources);
+            } else {
+                return new GraphQLError('Insufficient Permissions');
+            }
+        },
         updateCargoBike: (_: any, { cargoBike }: { cargoBike: any }, { dataSources, req }:{dataSources: any, req: any }) => {
             if (req.permissions.includes(Permission.WriteBike)) {
                 return dataSources.cargoBikeAPI.updateCargoBike({ cargoBike });
diff --git a/src/schema/type-defs.ts b/src/schema/type-defs.ts
index f6e8275..6041341 100644
--- a/src/schema/type-defs.ts
+++ b/src/schema/type-defs.ts
@@ -710,6 +710,8 @@ type Query {
 type Mutation {
     "creates new cargoBike and returns cargobike with new ID"
     createCargoBike(cargoBike: CargoBikeCreateInput!): CargoBike!
+    "lock cargoBike - not implemented"
+    lockCargoBikeById(id: ID!): Boolean!
     "updates cargoBike of given ID with supplied fields and returns updated cargoBike"
     updateCargoBike(cargoBike: CargoBikeUpdateInput!): CargoBike!
     "creates new peace of unique Equipment"