Added export/import config from/to Azure

Export-ConfigFromAzure.ps1

@@ -0,0 +1,47 @@
+<#
+.SYNOPSIS
+Exports a PowerProxy's configuration from a given Key Vault.
+
+.DESCRIPTION
+Writes a PowerProxy's configuration from the given Key Vault to the given file.
+
+.PARAMETER KeyVaultName
+Name of the Key Vault in which the configuration is stored.
+
+.EXAMPLE
+PS> .\Export-ConfigFromAzure.ps1 -KeyVaultName abdefpowerproxyaoai -ToFile powerproxy.config.json
+
+Exports the PowerProxy config from Key Vault 'abdefpowerproxyaoai' to JSON file 'powerproxy.config.json'.
+
+.LINK
+GitHub repo: https://github.com/timoklimmer/powerproxy-aoai
+
+.NOTES
+PowerShell version should be 7+. Also make sure your Azure CLI installation is up-to-date.
+#>
+param(
+  [Parameter(mandatory=$true)]
+  [string] $KeyVaultName,
+
+  [Parameter(mandatory=$true)]
+  [string] $ToFile
+)
+
+#---------------------------------------[Initialisation]--------------------------------------------
+$ErrorActionPreference = "Stop"
+Write-Host "Exporting PowerProxy config from Key Vault '$KeyVaultName' to file '$ToFile'..."
+
+#--------------------------------------------[Code]-------------------------------------------------
+Write-Host "Getting config from Key Vault..."
+$config_json_string = ( `
+    az keyvault secret show `
+        -n config-string `
+        --vault-name $KeyVaultName `
+        --query value `
+        -o tsv `
+    )
+Write-Host "Saving file..."
+$config_json_string | Out-File $ToFile
+
+#--------------------------------------------[Done]-------------------------------------------------
+Write-Host "Done."

Import-ConfigToAzure.ps1

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+<#
+.SYNOPSIS
+Imports a PowerProxy's configuration into a given Key Vault.
+
+.DESCRIPTION
+Writes a PowerProxy's configuration into the given Key Vault from the given file.
+
+.PARAMETER KeyVaultName
+Name of the Key Vault in which the configuration is stored.
+
+.EXAMPLE
+PS> .\Import-ConfigToAzure.ps1 -KeyVaultName abdefpowerproxyaoai -FromFile production.config.json
+
+Imports the PowerProxy config from Key Vault 'abdefpowerproxyaoai' from JSON file 'production.config.json'.
+
+.LINK
+GitHub repo: https://github.com/timoklimmer/powerproxy-aoai
+
+.NOTES
+PowerShell version should be 7+. Also make sure your Azure CLI installation is up-to-date.
+#>
+param(
+  [Parameter(mandatory=$true)]
+  [string] $KeyVaultName,
+
+  [Parameter(mandatory=$true)]
+  [string] $FromFile,
+
+  [Parameter(mandatory=$true)]
+  [string] $ResourceGroup
+)
+
+#---------------------------------------[Initialisation]--------------------------------------------
+$ErrorActionPreference = "Stop"
+Write-Host "Importing PowerProxy config into Key Vault '$KeyVaultName' from file '$FromFile'..."
+$CONTAINER_APP_NAME = "powerproxyaoai"
+
+#--------------------------------------------[Code]-------------------------------------------------
+Write-Host "Updating config in Key Vault..."
+az keyvault secret set `
+    --name config-string `
+    --vault-name $KeyVaultName `
+    --file $FromFile `
+    --output none
+
+Write-Host "Creating new revision in Container App (required for the new config to come into effect)..."
+$random_revision_suffix = (`
+  -join ((48..57) + (97..122) | Get-Random -Count 7 | ForEach-Object {[char]$_}) `
+)
+az containerapp revision copy `
+  -n $CONTAINER_APP_NAME `
+  -g $ResourceGroup `
+  --revision-suffix $random_revision_suffix
+
+#--------------------------------------------[Done]-------------------------------------------------
+Write-Host "Done."