Refined the build pipeline

[qhua948]

Refactored Dockerfile and shell script to focus on Docker-multistage build

Proposed Changes

Resolves #.

Changes proposed in this pull request:

• Refactored Dockerfile
• Refined build pipeline

Production Changes

The following production changes are required to deploy these changes:

• None

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[qhua948]

Part of https://github.com/GeoNet/tickets/issues/6424