fix(CE): signup on docker-compose setup fails

[xyfer17]

Description

• Fixed 404 error during signup in Docker Compose setup.
• Added env_file: .env to multiwoven-ui service.
• Updated VITE_API_HOST in ui/Dockerfile.dev for local development.

new_code.mov

Related Issue

Relates to issue #218 - 'Signup on docker-compose setup fails with 404 '.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New Connector (Destination or Source Connector)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would impact existing functionality)
• Styling change
• Documentation update
• Refactoring
• Chore

How Has This Been Tested?

1. Run docker-compose up with the updated docker-compose.yml.
2. Verify that the signup process works without any 404 errors.
3. Confirm that VITE_API_HOST is set to http://localhost:3000 in local development.

Checklist:

• Ensure a branch name is prefixed with feature, bugfix, hotfix, release, style or chore followed by / and branch name e.g feature/add-salesforce-connector
• Added unit tests for the changes made (if required)
• Have you made sure the commit messages meets the guidelines?
• Added relevant screenshots for the changes
• Have you tested the changes on local/staging?
• Added the new connector in rollout.rb
• Have you updated the version number of the gem?
• Have you ensured that your changes for new connector are documented in the docs repo or relevant documentation files?
• Have you updated the run time dependency in multiwoven-integrations.gemspec if new gems are added
• Have you made sure the code you have written follows the best practises to the best of your knowledge?

[sumitd94]

@xyfer17 closing this PR as its fixed internally - #409

Thanks for putting in efforts here, appreciate it :)