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fix: mount /etc/hosts in chroot mode for localhost resolution #545

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Merged
Mossaka merged 1 commit into from
Feb 6, 2026
Merged

fix: mount /etc/hosts in chroot mode for localhost resolution #545

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1 change: 1 addition & 0 deletions src/docker-manager.test.ts
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Expand Up @@ -557,6 +557,7 @@ describe('docker-manager', () => {
expect(volumes).toContain('/etc/ca-certificates:/host/etc/ca-certificates:ro');
expect(volumes).toContain('/etc/alternatives:/host/etc/alternatives:ro');
expect(volumes).toContain('/etc/ld.so.cache:/host/etc/ld.so.cache:ro');
expect(volumes).toContain('/etc/hosts:/host/etc/hosts:ro');

// Should still include essential mounts
expect(volumes).toContain('/tmp:/tmp:rw');
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1 change: 1 addition & 0 deletions src/docker-manager.ts
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Expand Up @@ -469,6 +469,7 @@ export function generateDockerCompose(
'/etc/passwd:/host/etc/passwd:ro', // User database (needed for getent/user lookup)
'/etc/group:/host/etc/group:ro', // Group database (needed for getent/group lookup)
'/etc/nsswitch.conf:/host/etc/nsswitch.conf:ro', // Name service switch config
'/etc/hosts:/host/etc/hosts:ro', // Host name resolution (localhost, etc.)
);

// SECURITY: Hide Docker socket to prevent firewall bypass via 'docker run'
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