diff --git a/.gitignore b/.gitignore
index 1b6985c..fb56380 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
+/.sgp
+
 # Ignore Gradle project-specific cache directory
-.gradle
+/.gradle
 
 # Ignore Gradle build output directory
-build
+/build
diff --git a/README.md b/README.md
index 6806364..9c9cd83 100644
--- a/README.md
+++ b/README.md
@@ -4,12 +4,18 @@
 
 ### Setup
 
+**Commandline**
+
 Check which Java toolchains can be found by Gradle:
 
 ```shell
 ./gradlew javaToolchains
 ```
 
+- `shell.nix` -> broken (as well for `gradle javaToolchains`
+- `shell1.nix` -> works
+- `shell2.nix` -> broken (as well for `gradle javaToolchains`)
+
 This should include version >= 17, e.g.:
 
 ```
@@ -22,6 +28,19 @@ This should include version >= 17, e.g.:
      | Detected by:        Current JVM
 ```
 
+**IntelliJ**
+
+TODO, nothing has worked so far.
+
+Open issue: gradle's toolchain support does not work with IntelliJ
+
+- `shell.nix`
+  - Solution from 2022 did no longer work: https://github.com/NixOS/nixpkgs/issues/207153#issue-1506967648
+- `shell1.nix`
+  - Instead, we found this: https://discourse.nixos.org/t/overriding-the-jdk-for-gradle-in-a-nix-flake/36541/2
+- `shell2.nix`
+  - Another approach - which did no longer work! https://github.com/utybo/Tegral/blob/main/shell.nix
+
 ### Tasks
 
 List all Gradle tasks which can be run:
diff --git a/shell (Copy).nix b/shell1.nix
similarity index 51%
rename from shell (Copy).nix
rename to shell1.nix
index 64f3dd9..49fb481 100644
--- a/shell (Copy).nix	
+++ b/shell1.nix
@@ -5,10 +5,6 @@ let
   jdk = unstable.jdk23;
 in
 
-# Open issue: gradle's toolchain support does not work with IntelliJ
-# Solution from 2022 did no longer work: https://github.com/NixOS/nixpkgs/issues/207153#issue-1506967648
-# Instead we found this: https://discourse.nixos.org/t/overriding-the-jdk-for-gradle-in-a-nix-flake/36541/2
-
 pkgs.mkShell {
   buildInputs = with pkgs; [
     jdk
diff --git a/shell2.nix b/shell2.nix
new file mode 100644
index 0000000..e720bea
--- /dev/null
+++ b/shell2.nix
@@ -0,0 +1,66 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+let
+  unstable = import (fetchTarball https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz) { };
+  toolchains = [ (unstable.jdk11 + "/lib/openjdk") (unstable.jdk17 + "/lib/openjdk") ];
+  patchedGradle = unstable.gradle_8.overrideAttrs (curr: old: {
+    fixupPhase = (old.fixupPhase or "") + ''
+      cat > $out/lib/gradle/gradle.properties <<EOF
+      org.gradle.java.installations.paths=${unstable.lib.concatStringsSep "," toolchains}
+      EOF
+    '';
+  });
+  nodePackages18 = unstable.nodePackages.override { nodejs = unstable.nodejs-18_x; };
+in
+unstable.mkShell {
+  nativeBuildInputs = [
+    patchedGradle
+    unstable.nodejs-18_x
+    nodePackages18.pnpm
+    unstable.prisma-engines
+    nodePackages18.prisma
+  ];
+  shellHook = ''
+    export PRISMA_MIGRATION_ENGINE_BINARY="${unstable.prisma-engines}/bin/schema-engine"
+    export PRISMA_QUERY_ENGINE_BINARY="${unstable.prisma-engines}/bin/query-engine"
+    export PRISMA_QUERY_ENGINE_LIBRARY="${unstable.prisma-engines}/lib/libquery_engine.node"
+    export PRISMA_INTROSPECTION_ENGINE_BINARY="${unstable.prisma-engines}/bin/introspection-engine"
+    export PRISMA_FMT_BINARY="${unstable.prisma-engines}/bin/prisma-fmt"
+    export PATH="$PATH:$PWD/node_modules/.bin"
+
+    export GRADLE_HOME=${patchedGradle}
+    echo -e '\033[0;33m!!! Run ./.sgp (set gradle path) from the root of this repository BEFORE running IntelliJ IDEA !!!\033[0m'
+    echo -e '\033[0;33m(restart IntelliJ IDEA if you already started it)\033[0m'
+
+    cat > ./.sgp <<EOS
+#!/bin/sh
+mkdir -p .idea
+rm -f .idea/gradle.xml
+cat > .idea/gradle.xml <<EOF
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="delegatedBuild" value="true" />
+        <option name="testRunner" value="GRADLE" />
+        <option name="distributionType" value="LOCAL" />
+        <option name="externalProjectPath" value="\\\$PROJECT_DIR\\\$" />
+        <option name="gradleHome" value="${patchedGradle}/lib/gradle" />
+        <option name="gradleJvm" value="#JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="\\\$PROJECT_DIR\\\$" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
+EOF
+echo IntelliJ IDEA configured, restart running instances
+EOS
+  chmod +x ./.sgp
+  '';
+}
+