first successful launch of veilid devcontainer

.devcontainer/Dockerfile

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+FROM docker.io/library/rust:1.84.0-bullseye
+
+# Create a non-root user with same UID/GID as host user
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Install basic tools
+RUN apt-get update && apt-get install -y \
+    sudo \
+    curl \
+    git \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create the user
+RUN groupadd --gid $USER_GID $USERNAME \
+    && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME \
+    && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
+    && chmod 0440 /etc/sudoers.d/$USERNAME
+
+# Set working directory
+WORKDIR /workspaces/veilid
+
+# Set the default user
+USER $USERNAME
+
+# Expose port
+EXPOSE 5150
+
+# Set default shell to bash
+ENV SHELL="/bin/bash"
+CMD ["sleep", "infinity"]

.devcontainer/devcontainer.json

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+{
+    "name": "veilid",
+    "dockerFile": "Dockerfile",
+    "overrideCommand": false,
+    "updateRemoteUserUID": true,
+    "remoteUser": "vscode",
+    "securityOpt": [
+        "seccomp=unconfined"
+    ],
+    "runArgs": [
+        "--network=host",
+        "--cap-add=SYS_PTRACE",
+        "--security-opt=seccomp=unconfined"
+    ],
+    "mounts": [
+        "source=/var/run/docker.sock,target=/var/run/docker-host.sock,type=bind"
+    ],
+    "features": {
+        "ghcr.io/devcontainers/features/docker-outside-of-docker:1": {}
+    },
+    "postCreateCommand": "cargo --version",
+    "shutdownAction": "stopContainer",
+    "customizations": {
+        "vscode": {
+            "settings": {
+                "terminal.integrated.defaultProfile.linux": "bash"
+            }
+        }
+    },
+    "forwardPorts": [5150],
+    "init": true
+}