diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 1db5243..7d5a866 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,28 +1,40 @@
 {
-  "image": "mcr.microsoft.com/devcontainers/base:alpine",
+  "image": "mcr.microsoft.com/devcontainers/base:jammy",
   "features": {
-    "ghcr.io/devcontainers/features/nix:1": {
-      "multiUser": true,
-      "version": "latest",
-      // Needed for flakes & nix-direnv:
-      "extraNixConfig": "experimental-features = nix-command flakes,keep-outputs = true,keep-derivations = true"
-    }
+      "ghcr.io/devcontainers/features/nix:1": {
+        "multiUser": true,
+        "packages": ["cachix", "ihp-new"],
+        "extraNixConfig": "experimental-features = nix-command flakes,keep-outputs = true,keep-derivations = true"
+      }
   },
   "onCreateCommand": {
-    // Set up global gitignore for direnv.
-    "init-git": "mkdir -p ~/.config/git && printf '.direnv/\\n.envrc\\n' > ~/.config/git/ignore && git config --global core.excludesfile ~/.config/git/ignore",
-    // Install, set up and allow direnv in workspace.
-    "install-direnv": "nix profile install nixpkgs#direnv nixpkgs#nix-direnv && mkdir -p ~/.config/direnv && echo 'source $HOME/.nix-profile/share/nix-direnv/direnvrc' >> ~/.config/direnv/direnvrc && cp .envrc.recommended .envrc && direnv allow",
-    // Run `print-dev-env` to build `devShells.${system}.default`.
-    "build-dev-env": "nix print-dev-env > /dev/null"
+    "Setup cachix": "echo \"trusted-users = root vscode\" | sudo tee -a /etc/nix/nix.conf && sudo pkill nix-daemon; cachix use cachix; cachix use digitallyinduced;",
+    "Setup direnv": "sudo apt install direnv; echo 'eval \"$(direnv hook bash)\"' >> ~/.bashrc",
+    "Set IHP BASEURL": "echo 'export IHP_BASEURL=$(if [ -n \"${CODESPACE_NAME}\" ]; then echo \"https://${CODESPACE_NAME}-8000.${GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN}\"; else echo \"http://localhost:8000\"; fi)' >> ~/.bashrc",
+    "Set IHP IDE BASEURL": "echo 'export IHP_IDE_BASEURL=$(if [ -n \"${CODESPACE_NAME}\" ]; then echo \"https://${CODESPACE_NAME}-8001.${GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN}\"; else echo \"http://localhost:8001\"; fi)' >> ~/.bashrc",
+    "Fix nix Permissions": "sudo apt install acl; sudo setfacl -k /tmp",
+    "Allow direnv": "mkdir -p ~/.config/direnv; touch ~/.config/direnv/direnv.toml; echo \"[whitelist]\nprefix = ['/workspaces/']\" >> ~/.config/direnv/direnv.toml"
+  },
+  "containerEnv": {
+    "PROJECT_DIR": "${containerWorkspaceFolder}"
   },
+  "remoteUser": "vscode",
   "customizations": {
     "vscode": {
+      "settings": {
+        "terminal.integrated.profiles.linux": {
+          "bash": {
+            "path": "/bin/bash"
+          }
+        },
+        "terminal.integrated.defaultProfile.linux": "bash"
+      },
       "extensions": [
-        // Inject direnv variables into VS Code terminals and tasks:
+        "bbenoist.nix",
+        "haskell.haskell",
+        "s0kil.vscode-hsx",
         "mkhl.direnv",
-        // Support for `.nix` files:
-        "jnoortheen.nix-ide"
+        "vigoo.stylish-haskell"
       ]
     }
   }