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Blank screen for ~10 seconds on startup when running inside a VM or container #11374

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Blank screen for ~10 seconds on startup when running inside a VM or container#11374
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rekram1-node
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perfIndicates a performance issue or need for optimization

Description

@leighmcculloch
leighmcculloch
opened on Jan 30, 2026

Description

When running opencode inside a VM or container, the opening screen is blank for approximately 10 seconds before the UI renders and becomes responsive. After this initial delay, the application responds promptly.

When running locally (not in a VM/container), the application starts instantly with no blank screen delay.

This behavior has been observed in multiple virtualization/container setups:

Plugins

N/A

OpenCode version

Latest

Steps to reproduce

  1. Run opencode inside a virtual machine or Docker container
  2. Observe blank screen for ~10 seconds on startup
  3. After delay, app becomes responsive and works normally

For comparison:

  1. Run opencode locally (not in a VM/container)
  2. Observe instant startup with no delay

Screenshot and/or share link

N/A

Operating System

Tested in Ubuntu (inside Apple Container VM and Docker containers)

Terminal

Not specified

Activity

  1. github-actions
    assigned
    rekram1-node
    on Jan 30, 2026
  2. github-actions
    added
    perfIndicates a performance issue or need for optimization
    on Jan 30, 2026

  3. github-actions commented on Jan 30, 2026

    @github-actions
    github-actionsBot
    on Jan 30, 2026 – with GitHub Actions
    Contributor

    This issue might be a duplicate of existing issues. Please check:

    Feel free to ignore if none of these address your specific case.

  4. leighmcculloch commented on Jan 31, 2026

    @leighmcculloch
    leighmcculloch
    on Jan 31, 2026
    Author

    For example, using the following dockerfile:

    docker build -t opencode-test .
docker run -it --rm opencode-test

    FROM ubuntu:24.04

# Install dependencies
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*

# Install opencode using the official install script
RUN curl -fsSL https://opencode.ai/install | bash

# Add opencode to PATH
ENV PATH="/root/.opencode/bin:$PATH"

# Set working directory
WORKDIR /workspace

# Run opencode on container start
CMD ["opencode"]

  5. leighmcculloch commented on Jan 31, 2026

    @leighmcculloch
    leighmcculloch
    on Jan 31, 2026
    Author

    If I set the following environment variable, opencode starts instantly:

    OPENCODE_DISABLE_DEFAULT_PLUGINS=1

  6. leighmcculloch commented on Jan 31, 2026

    @leighmcculloch
    leighmcculloch
    on Jan 31, 2026
    Author

    It looks like the plugins that this disabled are just:

    opencode/packages/opencode/src/plugin/index.ts

    Line 18 in aef0e58

    const BUILTIN = ["opencode-anthropic-auth@0.0.13", "@gitlab/opencode-gitlab-auth@1.3.2"]

  7. github-actions commented on Apr 1, 2026

    @github-actions
    github-actionsBot
    on Apr 1, 2026 – with GitHub Actions
    Contributor

    To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.

  8. github-actions
    closed this as completedon Apr 1, 2026
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