Fix container detail terminal isolation and working directory

src/app/projects/[projectId]/environments/[environmentId]/containers/[containerId]/components/terminal/TerminalTabPanel.tsx

@@ -31,7 +31,7 @@ type StoredTerminalSession = {
 const INPUT_CHUNK_SIZE = 8192;
 const INPUT_BACKPRESSURE_THRESHOLD = 256 * 1024;
 const IMMEDIATE_INPUT_MAX_LENGTH = 4;
-const STORAGE_KEY = "app_container_terminal_sessions_v1";
+const STORAGE_KEY = "app_container_terminal_sessions_v3";
 
 const summaryToneColor: Record<
   TerminalTabData["summaries"][number]["tone"],
@@ -69,6 +69,20 @@ function shellQuote(value: string) {
   return `'${value.replaceAll("'", "'\\''")}'`;
 }
 
+function createContainerShellCommand({
+  execTarget,
+  shell,
+  workingDirectory,
+}: Pick<TerminalTabData, "execTarget" | "shell" | "workingDirectory">) {
+  const initialPath = workingDirectory || "/";
+  const enterWorkingDirectory = `cd ${shellQuote(initialPath)} 2>/dev/null || cd /`;
+  const startShell = `exec ${shellQuote(shell)}`;
+
+  return `docker exec -it ${shellQuote(execTarget)} ${shellQuote(
+    shell,
+  )} -c ${shellQuote(`${enterWorkingDirectory}; ${startShell}`)}`;
+}
+
 function createSessionId(terminal: TerminalTabData) {
   const safeSessionTarget = terminal.execTarget
     .replace(/[^a-zA-Z0-9_-]/g, "")
@@ -106,15 +120,6 @@ function writeStoredSession(storageId: string, session: StoredTerminalSession) {
 
 function getInitialSession(terminal: TerminalTabData): StoredTerminalSession {
   const storageId = getStorageId(terminal);
-  const stored = readStoredSessions()[storageId];
-
-  if (stored?.id) {
-    return {
-      id: stored.id,
-      initialized: Boolean(stored.initialized),
-    };
-  }
-
   const nextSession = {
     id: createSessionId(terminal),
     initialized: false,
@@ -267,6 +272,8 @@ function ContainerTerminalPane({
   useEffect(() => {
     if (!containerRef.current || !terminal.canExecute) return;
     let destroyed = false;
+    let wsForEffect: WebSocket | null = null;
+    let termForEffect: import("@xterm/xterm").Terminal | null = null;
     isDisposedRef.current = false;
     onStatusChange("connecting");
 
@@ -315,6 +322,7 @@ function ContainerTerminalPane({
       }
 
       termRef.current = term;
+      termForEffect = term;
       fitRef.current = fitAddon;
       scheduleResize();
 
@@ -331,6 +339,14 @@ function ContainerTerminalPane({
       const ticketResponse = await terminalApi.wsTicket(
         terminal.serverId,
         session.id,
+        {
+          type: "command",
+          command: createContainerShellCommand({
+            execTarget: terminal.execTarget,
+            shell: terminal.shell,
+            workingDirectory: terminal.workingDirectory,
+          }),
+        },
       );
       if (destroyed) return undefined;
 
@@ -339,9 +355,12 @@ function ContainerTerminalPane({
         ticket: ticketResponse.data.ticket,
       });
       const ws = new WebSocket(wsUrl);
+      wsForEffect = ws;
       wsRef.current = ws;
+      const isCurrentSocket = () => !destroyed && wsRef.current === ws;
 
       ws.onopen = () => {
+        if (!isCurrentSocket()) return;
         onStatusChange("connected");
         onSenderChange(sendInput);
         enqueueTerminalOutput("\x1b[32mSSH connection established\x1b[0m\r\n");
@@ -349,11 +368,6 @@ function ContainerTerminalPane({
           `\x1b[36mOpening container shell: ${terminal.execTarget}\x1b[0m\r\n`,
         );
         if (shouldEnterContainer) {
-          sendInput(
-            `docker exec -it ${shellQuote(terminal.execTarget)} ${shellQuote(
-              terminal.shell,
-            )}\r`,
-          );
           onSessionInitialized();
         } else {
           enqueueTerminalOutput(
@@ -364,6 +378,7 @@ function ContainerTerminalPane({
       };
 
       ws.onmessage = (ev) => {
+        if (!isCurrentSocket()) return;
         try {
           const msg = JSON.parse(ev.data as string);
           if (msg.type === "ready" || msg.type === "data") {
@@ -385,11 +400,13 @@ function ContainerTerminalPane({
       };
 
       ws.onerror = () => {
+        if (!isCurrentSocket()) return;
         onStatusChange("error");
         enqueueTerminalOutput("\x1b[31m\r\nWebSocket error\x1b[0m\r\n");
       };
 
       ws.onclose = () => {
+        if (!isCurrentSocket()) return;
         onStatusChange("disconnected");
         onSenderChange(null);
         enqueueTerminalOutput("\x1b[33m\r\n[Connection closed]\x1b[0m\r\n");
@@ -430,11 +447,21 @@ function ContainerTerminalPane({
       encoderRef.current = null;
       resizeObserverRef.current?.disconnect();
       cleanup.then((fn) => fn?.());
-      wsRef.current?.close();
-      termRef.current?.dispose();
-      termRef.current = null;
-      wsRef.current = null;
-      fitRef.current = null;
+      if (wsForEffect) {
+        wsForEffect.onopen = null;
+        wsForEffect.onmessage = null;
+        wsForEffect.onerror = null;
+        wsForEffect.onclose = null;
+        wsForEffect.close();
+        if (wsRef.current === wsForEffect) {
+          wsRef.current = null;
+        }
+      }
+      termForEffect?.dispose();
+      if (termRef.current === termForEffect) {
+        termRef.current = null;
+        fitRef.current = null;
+      }
     };
   }, [
     enqueueTerminalOutput,
@@ -447,6 +474,7 @@ function ContainerTerminalPane({
     session.initialized,
     terminal.canExecute,
     terminal.execTarget,
+    terminal.workingDirectory,
     terminal.serverId,
     terminal.shell,
   ]);

src/app/projects/[projectId]/environments/[environmentId]/containers/[containerId]/data/terminal-data.ts

@@ -32,7 +32,7 @@ export function createTerminalData(
   const inspect = isRecord(detail?.inspect) ? detail.inspect : {};
   const config = getRecord(inspect, "Config");
   const state = getRecord(inspect, "State");
-  const workingDirectory = getString(config?.WorkingDir, "/app");
+  const workingDirectory = getString(config?.WorkingDir, "/");
   const shell = "/bin/sh";
   const isRunning = container.status === "RUNNING";
 

src/app/terminal/page.tsx

@@ -41,10 +41,12 @@ function readStoredTabs(): Tab[] {
     if (!raw) return [];
     const parsed = JSON.parse(raw) as Tab[];
     if (!Array.isArray(parsed)) return [];
-    return parsed.map((tab) => ({
-      ...tab,
-      label: tab.label || tab.serverName,
-    }));
+    return parsed
+      .filter((tab) => !tab.sessionId.startsWith("container-"))
+      .map((tab) => ({
+        ...tab,
+        label: tab.label || tab.serverName,
+      }));
   } catch {
     return [];
   }

src/lib/api.ts

@@ -2769,14 +2769,18 @@ export const terminal = {
       stderr: string;
       exitCode: number;
     }>("/terminal/exec", { serverId, command }),
-  wsTicket: (serverId: string, sessionId?: string) =>
+  wsTicket: (
+    serverId: string,
+    sessionId?: string,
+    target?: { type: "shell" } | { type: "command"; command: string },
+  ) =>
     post<{
       success: boolean;
       data: {
         ticket: string;
         expiresAt: string;
       };
-    }>("/terminal/ws-ticket", { serverId, sessionId }),
+    }>("/terminal/ws-ticket", { serverId, sessionId, target }),
   /** Returns WebSocket URL for interactive shell */
   wsUrl: (
     serverId: string,

src/server/routes/terminal.ts

@@ -10,6 +10,7 @@ import {
   consumeTerminalSocketTicket,
   issueTerminalSocketTicket,
 } from "../services/terminal-ticket.service";
+import type { TerminalSocketTarget } from "../services/terminal-ticket.service";
 
 const SESSION_TTL_MS = 30 * 60 * 1000;
 const TERMINAL_EXEC_TIMEOUT_MS = 20_000;
@@ -50,6 +51,7 @@ interface TerminalSession {
   serverId: string;
   serverName: string;
   serverIp: string;
+  target: TerminalSocketTarget;
   shellStream: TerminalShellStream;
   createdAt: number;
   lastActiveAt: number;
@@ -149,22 +151,28 @@ async function createTerminalSession(
   cols: number,
   rows: number,
   sessionId?: string,
+  target: TerminalSocketTarget = { type: "shell" },
 ) {
   const ssh = await getConnection(server);
   const id = sessionId || randomUUID();
 
   const shellStream = await new Promise<TerminalShellStream>(
     (resolve, reject) => {
-    ssh.connection!.shell(
-      { term: "xterm-256color", cols, rows },
-      (err, stream) => {
+      const handleStream = (err: Error | undefined, stream: unknown) => {
         if (err) {
           reject(err);
           return;
         }
         resolve(stream as TerminalShellStream);
-      },
-    );
+      };
+
+      const pty = { term: "xterm-256color", cols, rows };
+      if (target.type === "command") {
+        ssh.connection!.exec(target.command, { pty }, handleStream);
+        return;
+      }
+
+      ssh.connection!.shell(pty, handleStream);
     },
   );
 
@@ -174,6 +182,7 @@ async function createTerminalSession(
     serverId: server.id,
     serverName: server.name,
     serverIp: server.ip,
+    target,
     shellStream,
     createdAt: Date.now(),
     lastActiveAt: Date.now(),
@@ -193,7 +202,10 @@ export async function terminalRoutes(app: FastifyInstance) {
   app.get("/sessions", { preHandler: terminalAccess }, async (req, reply) => {
     pruneExpiredSessions();
     const sessions = [...terminalSessions.values()]
-      .filter((session) => session.userId === req.userId)
+      .filter(
+        (session) =>
+          session.userId === req.userId && session.target.type === "shell",
+      )
       .map(getPublicSession)
       .sort((left, right) =>
         right.lastActiveAt.localeCompare(left.lastActiveAt),
@@ -224,6 +236,15 @@ export async function terminalRoutes(app: FastifyInstance) {
       .object({
         serverId: z.string().min(1),
         sessionId: z.string().trim().min(1).max(128).optional(),
+        target: z
+          .discriminatedUnion("type", [
+            z.object({ type: z.literal("shell") }),
+            z.object({
+              type: z.literal("command"),
+              command: z.string().trim().min(1).max(4096),
+            }),
+          ])
+          .optional(),
       })
       .safeParse(req.body);
     if (!body.success) {
@@ -232,7 +253,7 @@ export async function terminalRoutes(app: FastifyInstance) {
         .send({ success: false, error: body.error.flatten() });
     }
 
-    const { serverId, sessionId } = body.data;
+    const { serverId, sessionId, target } = body.data;
     const server = await getAccessibleServer(
       req.userId,
       serverId,
@@ -251,6 +272,7 @@ export async function terminalRoutes(app: FastifyInstance) {
       organizationId: req.organizationId,
       serverId,
       sessionId,
+      target: target ?? { type: "shell" },
     });
 
     return reply.send({
@@ -388,6 +410,7 @@ export async function terminalRoutes(app: FastifyInstance) {
             parsedCols,
             parsedRows,
             sessionId,
+            socketTicket.target,
           );
         }
 
@@ -443,14 +466,22 @@ export async function terminalRoutes(app: FastifyInstance) {
         socket.on("close", () => {
           if (session) {
             session.lastActiveAt = Date.now();
-            detachSocket(session);
+            if (session.target.type === "command") {
+              destroySession(session.id);
+            } else {
+              detachSocket(session);
+            }
           }
         });
 
         socket.on("error", () => {
           if (session) {
             session.lastActiveAt = Date.now();
-            detachSocket(session);
+            if (session.target.type === "command") {
+              destroySession(session.id);
+            } else {
+              detachSocket(session);
+            }
           }
         });
 

src/server/services/terminal-ticket.service.ts

@@ -8,10 +8,15 @@ export interface TerminalSocketTicket {
   organizationId?: string;
   serverId: string;
   sessionId?: string;
+  target?: TerminalSocketTarget;
   createdAt: number;
   expiresAt: number;
 }
 
+export type TerminalSocketTarget =
+  | { type: "shell" }
+  | { type: "command"; command: string };
+
 const terminalSocketTickets = new Map<string, TerminalSocketTicket>();
 
 function pruneExpiredTerminalSocketTickets(now = Date.now()) {
@@ -27,6 +32,7 @@ export function issueTerminalSocketTicket(input: {
   organizationId?: string;
   serverId: string;
   sessionId?: string;
+  target?: TerminalSocketTarget;
 }): TerminalSocketTicket {
   const now = Date.now();
   pruneExpiredTerminalSocketTickets(now);
@@ -37,6 +43,7 @@ export function issueTerminalSocketTicket(input: {
     organizationId: input.organizationId,
     serverId: input.serverId,
     sessionId: input.sessionId,
+    target: input.target,
     createdAt: now,
     expiresAt: now + TERMINAL_SOCKET_TICKET_TTL_MS,
   };