Format manager Dockerfile

Author: deliahu

images/manager/Dockerfile

@@ -28,10 +28,10 @@ RUN curl -LO https://get.helm.sh/helm-v2.14.1-linux-amd64.tar.gz && \
     rm helm-v2.14.1-linux-amd64.tar.gz
 
 RUN ISTIO_VERSION=1.2.2 && \
-  curl -L "https://github.com/istio/istio/releases/download/${ISTIO_VERSION}/istio-${ISTIO_VERSION}-linux.tar.gz" | tar xz && \
-  mkdir ./istio-manifests && \
-  mv ./istio-${ISTIO_VERSION}/install/kubernetes/helm/* ./istio-manifests/ && \
-  rm -rf ./istio-${ISTIO_VERSION}
+    curl -L "https://github.com/istio/istio/releases/download/${ISTIO_VERSION}/istio-${ISTIO_VERSION}-linux.tar.gz" | tar xz && \
+    mkdir ./istio-manifests && \
+    mv ./istio-${ISTIO_VERSION}/install/kubernetes/helm/* ./istio-manifests/ && \
+    rm -rf ./istio-${ISTIO_VERSION}
 
 COPY manager /root