Fix go build and include ssh commands

Dockerfile

@@ -14,7 +14,7 @@ RUN go version
 
 ENV GO111MODULE=on
 
-RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-X 'main.versionString=$VERSION'" ./cmd
+RUN CGO_ENABLED=0 GOOS=linux go build -o auth-wrapper -ldflags "-X 'main.versionString=$VERSION'" ./cmd
 
 # Production image
 FROM gcr.io/cloud-builders/docker as production
@@ -23,7 +23,7 @@ ARG SSH_KEY_PATH=/build.pem
 
 WORKDIR /app
 
-COPY --from=builder /app/cmd /opt/auth-wrapper
+COPY --from=builder /app/auth-wrapper /opt/auth-wrapper
 
 COPY build.pem /
 RUN chmod 600 /build.pem

cloudbuild.yaml

@@ -23,7 +23,7 @@ steps:
     args: ['-c', 'docker build --tag="gcr.io/$PROJECT_ID/$REPO_NAME.$BRANCH_NAME:$COMMIT_SHA" --tag="gcr.io/$PROJECT_ID/$REPO_NAME.$BRANCH_NAME:latest" --file=Dockerfile .']
   # Test cloud build wrapper using ssh key embedded in the container
   - name: 'gcr.io/$PROJECT_ID/$REPO_NAME.$BRANCH_NAME:$COMMIT_SHA'
-    args: ['build', '.']
+    args: ['build', '--progress=plain', '--ssh=default=$SSH_AUTH_SOCK', '.']
     dir: 'testdata'
     secretEnv:
       - 'SSH_KEY_PASSWORD'
@@ -32,7 +32,7 @@ steps:
       - "DOCKER_BUILDKIT=1"
   # Test cloud build wrapper using KSM key
   - name: 'gcr.io/$PROJECT_ID/$REPO_NAME.$BRANCH_NAME:$COMMIT_SHA'
-    args: ['build', '.']
+    args: ['build', '--progress=plain', '--ssh=default=$SSH_AUTH_SOCK', '.']
     dir: 'testdata'
     env:
       - "SSH_KEY_PATH=kms://projects/connectedcars-staging/locations/global/keyRings/cloudbuilder/cryptoKeys/ssh-key/cryptoKeyVersions/3"