sha256:d66cea23a0bea94c950e787beb6d7b1208c19b9dcc4f2ce937f89009b9427cc4
Last pushed
3 days by cdupuis
Type
Sandbox Kit
Manifest digest
sha256:d66cea23a0bea94c950e787beb6d7b1208c19b9dcc4f2ce937f89009b9427cc4
schemaVersion: "3"
displayName: Codex
author: Docker, Inc.
description: 'OpenAI''s Codex CLI as a complete workload: the sandbox-templates base with codex pinned to the published release, the OpenAI credential (API key or ChatGPT OAuth), scoped egress, and the config/auth seeds the agent needs.'
sourceUrl: https://github.com/openai/codex
kind: workload
provides:
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capabilities:
- type: com.docker.sandbox/sbx@1
- type: com.docker.sandbox/network-policy@1
config:
runtime:
allow:
- api.openai.com:443
- openai.com:443
- auth.openai.com:443
- chatgpt.com:443
- files.openai.com:443
- registry.npmjs.org:443
- releases.openai.com:443
- api.github.com:443
- github.com:443
- release-assets.githubusercontent.com:443
- codeload.github.com:443
- archive.ubuntu.com:80
- security.ubuntu.com:80
- ports.ubuntu.com:80
- download.docker.com:443
- type: com.docker.sandbox/credential@1
optional: true
config:
apiKey:
inject:
- domain: api.openai.com
format: Bearer %s
header: Authorization
- domain: openai.com
format: Bearer %s
header: Authorization
name: OPENAI_API_KEY
proxyManaged: true
oauth:
resourceHosts:
- chatgpt.com
sentinels:
accessToken: oai-oat01-proxy-managed
refreshToken: oai-ort01-proxy-managed
tokenEndpoint:
host: auth.openai.com
path: /oauth/token
phase: runtime
service: openai
description: OpenAI API access (API key or ChatGPT OAuth)
- type: com.docker.sandbox/lifecycle@1
config:
install:
- command: |
set -e
mkdir -p /home/agent/.codex /home/agent/.agents
MODE="${SBX_CRED_OPENAI_MODE:-none}"
cat > /home/agent/.codex/config.toml << 'EOF'
approval_policy = "never"
sandbox_mode = "danger-full-access"
mcp_oauth_credentials_store = "file"
EOF
# Model selection from the create-phase args. These are
# top-level keys, so they must land here, before the
# model_providers and projects tables below would capture
# them. The args' patterns admit no quote or backslash, so
# the expanded value is safe inside the TOML string.
model='${{ kit.args.model }}'
effort='${{ kit.args.reasoningEffort }}'
[ -z "$model" ] || printf 'model = "%s"\n' "$model" >> /home/agent/.codex/config.toml
[ -z "$effort" ] || printf 'model_reasoning_effort = "%s"\n' "$effort" >> /home/agent/.codex/config.toml
case "$MODE" in
oauth|apikey)
cat >> /home/agent/.codex/config.toml << 'EOF'
forced_login_method = "api"
EOF
;;
esac
if [ "$MODE" = oauth ]; then
cat >> /home/agent/.codex/config.toml << 'EOF'
model_provider = "sandboxd"
[model_providers.sandboxd]
name = "Sandbox Proxy"
base_url = "https://chatgpt.com/backend-api/codex"
experimental_bearer_token = "oai-oat01-proxy-managed"
requires_openai_auth = false
EOF
fi
# Trust the workspace for launches outside the entrypoint too.
# Keep this after all top-level config keys: the projects
# table would otherwise capture settings like model_provider.
ws="${WORKSPACE_DIR:-/home/agent/workspace}"
esc=$(printf '%s' "$ws" | sed 's/\\/\\\\/g; s/"/\\"/g')
cat >> /home/agent/.codex/config.toml <<EOF
[projects."$esc"]
trust_level = "trusted"
EOF
case "$MODE" in
oauth|apikey)
cat > /home/agent/.codex/auth.json << 'EOF'
{
"OPENAI_API_KEY": "proxy-managed"
}
EOF
;;
*)
rm -f /home/agent/.codex/auth.json
;;
esac
description: Seed Codex config/auth from SBX_CRED_OPENAI_MODE
env:
- SBX_CRED_OPENAI_MODE
- WORKSPACE_DIR
user: agent
startup:
- command: |
set -e
[ -n "$MCP_GATEWAY_URL" ] || exit 0
cfg="$HOME/.codex/config.toml"
touch "$cfg"
grep -q "^\[mcp_servers.mcp-gateway\]" "$cfg" && exit 0
esc() { printf '%s' "$1" | sed 's/\\/\\\\/g; s/"/\\"/g'; }
url=$(esc "$MCP_GATEWAY_URL")
auth=$(esc "$MCP_SENTINEL_TOKEN_NAME")
# Codex's grammar for a streamable HTTP server: the transport
# is implied by `url` (a `command` would make it stdio; there
# is no `type` key), and static headers go in `http_headers`.
# A `[...headers]` sub-table is not read, so the gateway
# would be reached without its bearer token and codex would
# warn about both keys at startup.
cat >> "$cfg" <<EOF
[mcp_servers.mcp-gateway]
url = "$url"
http_headers = { Authorization = "Bearer $auth" }
EOF
description: Register the sandbox MCP gateway in ~/.codex/config.toml
env:
- MCP_GATEWAY_URL
- MCP_SENTINEL_TOKEN_NAME
user: agent
- type: com.docker.sandbox/agent-sessions@1
config:
prompt:
- exec
- '{{.Prompt}}'
resume:
- resume
- '{{.SessionID}}'
- type: com.docker.sandbox/agent-skills@1
optional: true
config:
path: /home/agent/.agents/skills
- type: com.docker.sandbox/agent-context@1
config:
contentFile: /usr/share/sandbox/kit/codex/codex-context.md
filename: AGENTS.md
args:
model:
default: ""
description: Codex model to use (config.toml `model`); empty keeps the CLI default
pattern: ^[A-Za-z0-9._-]*$
env: CODEX_MODEL
reasoningEffort:
default: ""
description: Reasoning effort (config.toml `model_reasoning_effort`); empty keeps the CLI default
pattern: ^(none|minimal|low|medium|high|xhigh|max|ultra|persistent)?$
env: CODEX_REASONING_EFFORT
version:
default: 0.159.2
description: Codex CLI release to install
pattern: ^[0-9]+\.[0-9]+\.[0-9]+$
buildArg: CODEX_VERSION
dockerfile: ./codex.dockerfile