Run skaffold fix (#72)

Upgrade skaffold version + manifest.

.travis.yml

@@ -4,7 +4,7 @@ services:
 - docker
 
 install:
-- curl -Lo skaffold https://storage.googleapis.com/skaffold/releases/v0.12.0/skaffold-linux-amd64
+- curl -Lo skaffold https://storage.googleapis.com/skaffold/releases/v0.15.1/skaffold-linux-amd64
 - chmod +x skaffold
 - sudo mv skaffold /usr/local/bin
 

skaffold.yaml

@@ -12,11 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-apiVersion: skaffold/v1alpha2
+apiVersion: skaffold/v1alpha3
 kind: Config
 build:
-  tagPolicy:
-    gitCommit: {}
   artifacts:
   - imageName: gcr.io/microservices-demo-app/emailservice
     workspace: src/emailservice
@@ -40,14 +38,14 @@ build:
     workspace: src/loadgenerator
   - imageName: gcr.io/microservices-demo-app/adservice
     workspace: src/adservice
+  tagPolicy:
+    gitCommit: {}
 deploy:
   kubectl:
     manifests:
     - ./kubernetes-manifests/**.yaml
-    
-
 profiles:
-  # "travis-ci" profile is used to build the images without
+# "travis-ci" profile is used to build the images withou
 # pushing them.
 - name: travis-ci
   build:
@@ -64,6 +62,7 @@ profiles:
 - name: gcb
   build:
     googleCloudBuild:
+      projectId: ""
       diskSizeGb: 300
-        machineType: "N1_HIGHCPU_32"
+      machineType: N1_HIGHCPU_32
       timeout: 4000s