fix: docker file and deployment

[shabebe11]

No description provided.

[Copilot]

Pull request overview

This PR updates the project’s containerized deployment path for a Next.js/Bun app on Fly.io.

Changes:

• Replaces the static-file Docker image with a Bun-based multi-stage Next.js Docker build.
• Aligns Fly.io service port with the app’s Next.js runtime port.
• Updates build scripts and generated Next type references for the deployment workflow.

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
package.json	Switches build-related scripts from Node to Bun execution.
next-env.d.ts	Updates the generated route type import path.
fly.toml	Changes Fly.io internal service port to 3000.
Dockerfile	Adds a Bun-based build/runtime image for the Next.js app.
.dockerignore	Expands Docker build-context exclusions for app deployment.

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