Elixir working, postgres next

.devcontainer/devcontainer.json

@@ -1,10 +1,11 @@
 {
     "$schema": "https://containers.dev/implementors/json_schema/",
-    "image": "mcr.microsoft.com/devcontainers/base:ubuntu-24.04",
+    "build": {
+        "dockerfile": "Dockerfile"
+    },
     "remoteUser": "vscode",
     "runArgs": [],
     "features": {
-        "ghcr.io/devcontainers/features/node:1": {},
         "ghcr.io/devcontainers/features/python:1": {},
         "ghcr.io/jsburckhardt/devcontainer-features/uv:1": {},
         "ghcr.io/jsburckhardt/devcontainer-features/ruff:1": {}
@@ -16,9 +17,8 @@
         "source=${localEnv:HOME}/.pi/agent/bin,target=/home/vscode/.pi/agent/bin,type=bind,consistency=cached"
     ],
     "postCreateCommand": {
-      "pi-agent": "bash -ic 'npm install -g @mariozechner/pi-coding-agent && pi install npm:pi-subagents'"
+        "pi-subagents": "bash -ic 'pi install npm:pi-subagents'"
     },
-
     "customizations": {
         "jetbrains": {
             "settings": {
@@ -31,7 +31,8 @@
             },
             "extensions": [
                 "ms-python.python",
-                "ms-toolsai.jupyter"
+                "ms-toolsai.jupyter",
+                "jakebecker.elixir-ls"
             ]
         }
     }