Bucket with apples on a terrain (Sphere Colliders + Mesh Collider + Terrain)

I have a bucket model, some apple models and a terrain. I want the apples to be inside the bucket, the bucket to stand on the terrain, so that if something knocks the bucket it fells and apples start rolling around.

The problem is that if I attach mesh collider to the bucket it falls through the terrain. If I mark it as convex, the apples can no longer be inside the bucket as it's 'shut'. If I use mesh collider and either disable gravity or lock the position somehow, it acts weird.

Is there a way to somehow walk around this problem without heavy scripting?