Fixed indentation

docs/04-certificate-authority.md

@@ -106,8 +106,8 @@ Generate a certificate and private key for each Kubernetes worker node:
 ```gcloud```
 ```
 for instance in worker-0 worker-1 worker-2; do
-cat > ${instance}-csr.json <<EOF
-{
+  cat > ${instance}-csr.json <<EOF
+  {
     "CN": "system:node:${instance}",
     "key": {
       "algo": "rsa",
@@ -122,16 +122,16 @@ cat > ${instance}-csr.json <<EOF
         "ST": "Oregon"
       }
     ]
-}
-EOF
+  }
+  EOF
 
-EXTERNAL_IP=$(gcloud compute instances describe ${instance} \
+  EXTERNAL_IP=$(gcloud compute instances describe ${instance} \
     --format 'value(networkInterfaces[0].accessConfigs[0].natIP)')
 
-INTERNAL_IP=$(gcloud compute instances describe ${instance} \
+  INTERNAL_IP=$(gcloud compute instances describe ${instance} \
     --format 'value(networkInterfaces[0].networkIP)')
 
-cfssl gencert \
+  cfssl gencert \
     -ca=ca.pem \
     -ca-key=ca-key.pem \
     -config=ca-config.json \
@@ -144,8 +144,8 @@ done
 ```az```
 ```
 for instance in worker-0 worker-1 worker-2; do
-cat > ${instance}-csr.json <<EOF
-{
+  cat > ${instance}-csr.json <<EOF
+  {
     "CN": "system:node:${instance}",
     "key": {
       "algo": "rsa",
@@ -160,14 +160,14 @@ cat > ${instance}-csr.json <<EOF
         "ST": "Oregon"
       }
     ]
-}
-EOF
+  }
+  EOF
 
-EXTERNAL_IP=$(az vm show --name worker-0 -d --query publicIps -o tsv)
+  EXTERNAL_IP=$(az vm show --name ${instance} -d --query publicIps -o tsv)
 
-INTERNAL_IP=$(az vm show --name ${instance} -d --query privateIps -o tsv)
+  INTERNAL_IP=$(az vm show --name ${instance} -d --query privateIps -o tsv)
 
-cfssl gencert \
+  cfssl gencert \
     -ca=ca.pem \
     -ca-key=ca-key.pem \
     -config=ca-config.json \