Fix docker example codex startup

docs/deploy/docker.mdx

@@ -16,17 +16,11 @@ docker run --rm -p 3000:3000 \
   -e ANTHROPIC_API_KEY="$ANTHROPIC_API_KEY" \
   -e OPENAI_API_KEY="$OPENAI_API_KEY" \
   alpine:latest sh -c "\
-    apk add --no-cache curl ca-certificates libstdc++ libgcc bash && \
+    apk add --no-cache curl ca-certificates libstdc++ libgcc bash nodejs npm && \
     curl -fsSL https://releases.rivet.dev/sandbox-agent/0.2.x/install.sh | sh && \
-    sandbox-agent install-agent claude && \
-    sandbox-agent install-agent codex && \
     sandbox-agent server --no-token --host 0.0.0.0 --port 3000"
 ```
 
-<Note>
-Alpine is required for some agent binaries that target musl libc.
-</Note>
-
 ## TypeScript with dockerode
 
 ```typescript
@@ -37,17 +31,18 @@ const docker = new Docker();
 const PORT = 3000;
 
 const container = await docker.createContainer({
-  Image: "alpine:latest",
+  Image: "node:22-bookworm-slim",
   Cmd: ["sh", "-c", [
-    "apk add --no-cache curl ca-certificates libstdc++ libgcc bash",
+    "apt-get update",
+    "DEBIAN_FRONTEND=noninteractive apt-get install -y curl ca-certificates bash libstdc++6",
+    "rm -rf /var/lib/apt/lists/*",
     "curl -fsSL https://releases.rivet.dev/sandbox-agent/0.2.x/install.sh | sh",
-    "sandbox-agent install-agent claude",
-    "sandbox-agent install-agent codex",
     `sandbox-agent server --no-token --host 0.0.0.0 --port ${PORT}`,
   ].join(" && ")],
   Env: [
     `ANTHROPIC_API_KEY=${process.env.ANTHROPIC_API_KEY}`,
     `OPENAI_API_KEY=${process.env.OPENAI_API_KEY}`,
+    `CODEX_API_KEY=${process.env.CODEX_API_KEY}`,
   ].filter(Boolean),
   ExposedPorts: { [`${PORT}/tcp`]: {} },
   HostConfig: {
@@ -61,7 +56,7 @@ await container.start();
 const baseUrl = `http://127.0.0.1:${PORT}`;
 const sdk = await SandboxAgent.connect({ baseUrl });
 
-const session = await sdk.createSession({ agent: "claude" });
+const session = await sdk.createSession({ agent: "codex" });
 await session.prompt([{ type: "text", text: "Summarize this repository." }]);
 ```
 

examples/docker/src/index.ts

@@ -1,9 +1,16 @@
 import Docker from "dockerode";
+import fs from "node:fs";
+import path from "node:path";
 import { SandboxAgent } from "sandbox-agent";
 import { detectAgent, buildInspectorUrl } from "@sandbox-agent/example-shared";
 
-const IMAGE = "alpine:latest";
+const IMAGE = "node:22-bookworm-slim";
 const PORT = 3000;
+const agent = detectAgent();
+const codexAuthPath = process.env.HOME ? path.join(process.env.HOME, ".codex", "auth.json") : null;
+const bindMounts = codexAuthPath && fs.existsSync(codexAuthPath)
+  ? [`${codexAuthPath}:/root/.codex/auth.json:ro`]
+  : [];
 
 const docker = new Docker({ socketPath: "/var/run/docker.sock" });
 
@@ -24,20 +31,22 @@ console.log("Starting container...");
 const container = await docker.createContainer({
   Image: IMAGE,
   Cmd: ["sh", "-c", [
-    "apk add --no-cache curl ca-certificates libstdc++ libgcc bash",
+    "apt-get update",
+    "DEBIAN_FRONTEND=noninteractive apt-get install -y curl ca-certificates bash libstdc++6",
+    "rm -rf /var/lib/apt/lists/*",
     "curl -fsSL https://releases.rivet.dev/sandbox-agent/0.2.x/install.sh | sh",
-    "sandbox-agent install-agent claude",
-    "sandbox-agent install-agent codex",
     `sandbox-agent server --no-token --host 0.0.0.0 --port ${PORT}`,
   ].join(" && ")],
   Env: [
     process.env.ANTHROPIC_API_KEY ? `ANTHROPIC_API_KEY=${process.env.ANTHROPIC_API_KEY}` : "",
     process.env.OPENAI_API_KEY ? `OPENAI_API_KEY=${process.env.OPENAI_API_KEY}` : "",
+    process.env.CODEX_API_KEY ? `CODEX_API_KEY=${process.env.CODEX_API_KEY}` : "",
   ].filter(Boolean),
   ExposedPorts: { [`${PORT}/tcp`]: {} },
   HostConfig: {
     AutoRemove: true,
     PortBindings: { [`${PORT}/tcp`]: [{ HostPort: `${PORT}` }] },
+    Binds: bindMounts,
   },
 });
 await container.start();
@@ -45,7 +54,7 @@ await container.start();
 const baseUrl = `http://127.0.0.1:${PORT}`;
 
 const client = await SandboxAgent.connect({ baseUrl });
-const session = await client.createSession({ agent: detectAgent(), sessionInit: { cwd: "/root", mcpServers: [] } });
+const session = await client.createSession({ agent, sessionInit: { cwd: "/root", mcpServers: [] } });
 const sessionId = session.id;
 
 console.log(`  UI: ${buildInspectorUrl({ baseUrl, sessionId })}`);