feat: install the latest standalone Codex in dev containers

.github/workflows/test.yml

@@ -33,6 +33,7 @@ jobs:
  - name: Copy Template
  run: |
  uvx copier copy \
+ --vcs-ref HEAD \
  ./ \
  /tmp/test-copier \
  -d project_name=test-copier \

template/.devcontainer/Dockerfile

@@ -0,0 +1,24 @@
+# syntax=docker/dockerfile:1
+
+FROM mcr.microsoft.com/devcontainers/base:ubuntu-24.04
+
+RUN rm -f /etc/apt/apt.conf.d/docker-clean \
+ && echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+ --mount=type=cache,target=/var/lib/apt,sharing=locked \
+ apt-get update \
+ && apt-get install -y --no-install-recommends \
+ build-essential \
+ ca-certificates \
+ curl \
+ fd-find \
+ git \
+ jq \
+ ripgrep \
+ wget \
+ && curl -fsSL https://github.com/openai/codex/releases/latest/download/install.sh -o /tmp/install-codex.sh \
+ && CODEX_INSTALL_DIR=/usr/local/bin \
+ CODEX_HOME=/opt/codex \
+ CODEX_NON_INTERACTIVE=1 \
+ sh /tmp/install-codex.sh \
+ && rm -f /tmp/install-codex.sh

template/.devcontainer/devcontainer.json

@@ -1,6 +1,9 @@
 {
 	"name": "python-devcontainer",
-	"image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+	"build": {
+ "dockerfile": "Dockerfile",
+ "context": ".."
+	},
 	"containerEnv": {
  "DISPLAY": "${localEnv:DISPLAY}",
  "PYTHONUNBUFFERED": "1",
@@ -17,13 +20,9 @@
  "ghcr.io/devcontainers/features/common-utils:2": {
  "configureZshAsDefaultShell": true
  },
- "ghcr.io/rocker-org/devcontainer-features/apt-packages:1": {
- "packages": "curl,wget,git,jq,ca-certificates,build-essential,ripgrep,fd-find"
- },
  "ghcr.io/va-h/devcontainers-features/uv:1": {
  "shellAutocompletion": true
  },
- "ghcr.io/devcontainers/features/node:1": {},
  "ghcr.io/anthropics/devcontainer-features/claude-code:1.0": {}
 	},
 	"runArgs": [
@@ -50,14 +49,13 @@
 	},
 	"remoteUser": "vscode",
 	"containerUser": "vscode",
-	"initializeCommand": "mkdir -p ${localEnv:HOME}/.claude ${localEnv:HOME}/.codex && touch ${localEnv:HOME}/.claude/CLAUDE.md ${localEnv:HOME}/.codex/config.toml",
+	"initializeCommand": "mkdir -p ${localEnv:HOME}/.claude ${localEnv:HOME}/.codex",
 	"mounts": [
  "source=shell_history-${devcontainerId},target=/shell_history,type=volume",
+ "source=uv-cache-${devcontainerId},target=/home/vscode/.cache/uv,type=volume",
  "source=${localEnv:HOME}/.claude,target=/home/vscode/.claude,type=bind",
- "source=${localEnv:HOME}/.claude/CLAUDE.md,target=/home/vscode/.claude/CLAUDE.md,type=bind",
- "source=${localEnv:HOME}/.codex,target=/home/vscode/.codex,type=bind",
- "source=${localEnv:HOME}/.codex/config.toml,target=/home/vscode/.codex/config.toml,type=bind"
+ "source=${localEnv:HOME}/.codex,target=/home/vscode/.codex,type=bind"
 	],
-	"postCreateCommand": "npm install -g @openai/codex@latest && uv sync --locked",
+	"postCreateCommand": "sudo chown -R vscode:vscode /home/vscode/.cache && uv sync --locked",
 	"postStartCommand": "uv run pre-commit install"
 }

template/CLAUDE.md

@@ -0,0 +1 @@
+@AGENTS.md