feat: add ability to configure application with a config file (#740)

* add config file possibility

* revert port in docker compose

* Update docker-compose.yml

Co-authored-by: Elias Schneider <login@eliasschneider.com>

* Update docker-compose.yml

Co-authored-by: Elias Schneider <login@eliasschneider.com>

* add attribute description to config file

* remove email message config

* add package to resolve errors

* remove email messages from config

* move config initialization to config module

* revert unnecessary change

* add order

* improve alert

* run formatter

* remove unnecessary packages

* remove unnecessary types

* use logger

* don't save yaml config to db

* allowEdit if no yaml config is set

* improve docs

* fix allow edit state

* remove unnecessary check and refactor code

* restore old config file

* add script that generates `config.example.yaml` automatically

* allow config variables to be changed if they are not set in the `config.yml`

* add back init user

* Revert "allow config variables to be changed if they are not set in the `config.yml`"

This reverts commit 7dbdb6729034be5b083f126f854d5e1411735a54.

* improve info box text

---------

Co-authored-by: Elias Schneider <login@eliasschneider.com>

backend/prisma/seed/config.seed.ts

@@ -1,7 +1,7 @@
 import { Prisma, PrismaClient } from "@prisma/client";
 import * as crypto from "crypto";
 
-const configVariables: ConfigVariables = {
+export const configVariables = {
   internal: {
     jwtSecret: {
       type: "string",
@@ -181,12 +181,12 @@ const configVariables: ConfigVariables = {
     },
     searchQuery: {
       type: "string",
-      defaultValue: ""
+      defaultValue: "",
     },
 
     adminGroups: {
       type: "string",
-      defaultValue: ""
+      defaultValue: "",
     },
 
     fieldNameMemberOf: {
@@ -196,18 +196,18 @@ const configVariables: ConfigVariables = {
     fieldNameEmail: {
       type: "string",
       defaultValue: "userPrincipalName",
-    }
+    },
   },
   oauth: {
-    "allowRegistration": {
+    allowRegistration: {
       type: "boolean",
       defaultValue: "true",
     },
-    "ignoreTotp": {
+    ignoreTotp: {
       type: "boolean",
       defaultValue: "true",
     },
-    "disablePassword": {
+    disablePassword: {
       type: "boolean",
       defaultValue: "false",
       secret: false,
@@ -376,7 +376,22 @@ const configVariables: ConfigVariables = {
       defaultValue: "",
       secret: false,
     },
-  }
+  },
+} satisfies ConfigVariables;
+
+export type YamlConfig = {
+  [Category in keyof typeof configVariables]: {
+    [Key in keyof (typeof configVariables)[Category]]: string;
+  };
+} & {
+  initUser: {
+    enabled: string;
+    username: string;
+    email: string;
+    password: string;
+    isAdmin: boolean;
+    ldapDN: string;
+  };
 };
 
 type ConfigVariables = {
@@ -433,7 +448,7 @@ async function migrateConfigVariables() {
   for (const existingConfigVariable of existingConfigVariables) {
     const configVariable =
       configVariables[existingConfigVariable.category]?.[
-      existingConfigVariable.name
+        existingConfigVariable.name
       ];
 
     // Delete the config variable if it doesn't exist in the seed