fix: use blue to refer to existing version and green to refer to new version

scripts/deploy.ps1

@@ -116,43 +116,11 @@ if ($LASTEXITCODE -ne 0)
 }
 
 # Checkif green container is running
-$greenContainerId = docker ps --filter "name=blog.stevanfreeborn.com.green" --format "{{.ID}}"
+$blueContainerId = docker ps --filter "name=blog.stevanfreeborn.com.blue" --format "{{.ID}}"
 
-if ($null -eq $greenContainerId) 
+if ($null -eq $blueContainerId) 
 {
-  Write-Host "Green container is not running. Starting green container."
-
-  $greenContainerHostPort = StartContainer -containerColor "green" -dockerTag $dockerTag
-
-  Write-Host "Green container is running."
-  
-  UpdateNginxConfig -filePath $NGINX_CONFIG_PATH -portNumber $greenContainerHostPort
-
-  Write-Host "Nginx configuration updated to point to green container on port $greenContainerHostPort."
-
-  nginx -t
-
-  if ($LASTEXITCODE -ne 0) 
-  {
-    Write-Host "Nginx configuration test failed. Reverting changes."
-    Set-Content -Path $filePath -Value $nginxConfig
-    exit 1
-  }
-
-  nginx -s reload
-
-  if ($LASTEXITCODE -ne 0) 
-  {
-    Write-Host "Failed to reload Nginx."
-    exit 1
-  }
-
-  Write-Host "Nginx reloaded. Successfully deployed version $version."
-  exit 0
-}
-else 
-{
-  Write-Host "Green container is running. Starting blue container."
+  Write-Host "Blue container is not running. Starting blue container."
 
   $blueContainerHostPort = StartContainer -containerColor "blue" -dockerTag $dockerTag
 
@@ -180,34 +148,66 @@ else
   }
 
   Write-Host "Nginx reloaded. Successfully deployed version $version."
+  exit 0
+}
+else 
+{
+  Write-Host "Blue container is running. Starting green container."
 
-  Write-Host "Stopping and removing green container."
+  $greenContainerHostPort = StartContainer -containerColor "green" -dockerTag $dockerTag
 
-  docker stop $greenContainerId
+  Write-Host "Green container is running."
+
+  UpdateNginxConfig -filePath $NGINX_CONFIG_PATH -portNumber $greenContainerHostPort
+
+  Write-Host "Nginx configuration updated to point to green container on port $greenContainerHostPort."
+
+  nginx -t
 
   if ($LASTEXITCODE -ne 0) 
   {
-    Write-Host "Failed to stop green container."
+    Write-Host "Nginx configuration test failed. Reverting changes."
+    Set-Content -Path $filePath -Value $nginxConfig
     exit 1
   }
 
-  docker rm $greenContainerId
+  nginx -s reload
 
   if ($LASTEXITCODE -ne 0) 
   {
-    Write-Host "Failed to remove green container."
+    Write-Host "Failed to reload Nginx."
     exit 1
   }
 
-  Write-Host "Green container stopped and removed."
+  Write-Host "Nginx reloaded. Successfully deployed version $version."
 
-  Write-Host "Switching blue container to green container."
+  Write-Host "Stopping and removing blue container."
   
-  docker rename "blog.stevanfreeborn.com.blue" "blog.stevanfreeborn.com.green"
+  docker stop $blueContainerId
 
   if ($LASTEXITCODE -ne 0) 
   {
-    Write-Host "Failed to rename blue container to green container."
+    Write-Host "Failed to stop blue container."
+    exit 1
+  }
+
+  docker rm $blueContainerId
+
+  if ($LASTEXITCODE -ne 0) 
+  {
+    Write-Host "Failed to remove blue container."
+    exit 1
+  }
+
+  Write-Host "Blue container stopped and removed."
+
+  Write-Host "Switching green container to blue container."
+
+  docker rename "blog.stevanfreeborn.com.green" "blog.stevanfreeborn.com.blue"
+
+  if ($LASTEXITCODE -ne 0) 
+  {
+    Write-Host "Failed to rename green container to blue container."
     exit 1
   }