Elixir working, postgres next

.devcontainer/Dockerfile

@@ -0,0 +1,22 @@
+FROM mcr.microsoft.com/devcontainers/base:ubuntu-24.04
+
+USER root
+RUN curl -fsSL https://deb.nodesource.com/setup_lts.x | bash - && \
+    apt-get install -y nodejs
+
+USER vscode
+
+RUN npm config set prefix /home/vscode/.npm-global
+ENV PATH="/home/vscode/.npm-global/bin:/home/vscode/.local/bin:$PATH"
+
+RUN curl https://mise.run | sh
+
+RUN /home/vscode/.local/bin/mise install elixir@latest erlang@latest && \
+    /home/vscode/.local/bin/mise use --global elixir@latest erlang@latest
+
+RUN /home/vscode/.local/bin/mise exec -- mix local.hex --force && \
+    /home/vscode/.local/bin/mise exec -- mix local.rebar --force
+
+RUN npm install -g @mariozechner/pi-coding-agent
+
+USER root