1. Key difference 1: App2Container deployment method: AWS App2Container is a tool that helps in containerizing existing applications to run on Amazon Elastic Container Service (ECS) or Amazon Elastic Kubernetes Service (EKS). It automates the process of analyzing, packaging, and configuring the application for container deployment. On the other hand, AWS Copilot is a command-line tool specifically designed to simplify the deployment and management of containerized applications on ECS and EKS. It provides a higher level of abstraction and automation compared to App2Container, making it easier and faster to deploy applications.

2. Key difference 2: Integration with development workflows: App2Container is primarily focused on converting existing applications to containers, which means it can be integrated into various development workflows. It provides extensibility through plugins, allowing developers to customize the containerization process. In contrast, Copilot is designed to work within the AWS environment and follows an opinionated workflow. It integrates tightly with AWS services and follows AWS best practices, which makes it a suitable choice for developers who prefer a streamlined AWS-native approach.

3. Key difference 3: Configuration and deployment management: App2Container automates the process of packaging the application into containers, but it does not provide built-in mechanisms for managing the ongoing configuration and deployment of the application. It is primarily focused on the initial containerization process. Copilot, on the other hand, provides comprehensive support for managing the entire lifecycle of the application. It simplifies tasks like creating and managing infrastructure, managing secrets, and handling updates and rollbacks.

4. Key difference 4: Portability and multi-cloud support: App2Container is specifically tailored to AWS services, making it tightly coupled with the AWS ecosystem. It leverages AWS-specific technologies like AWS CodeDeploy for deploying the containers. Copilot, on the other hand, offers more flexibility and portability. It supports deploying applications to both ECS and EKS, which allows users to choose their preferred container orchestration platform. It also has an open-source CLI and supports multi-cloud deployments, enabling users to deploy to other cloud providers like Azure or Google Cloud.

5. Key difference 5: Complexity and learning curve: App2Container is a tool that helps in the containerization process, but it requires a certain level of knowledge and understanding of existing applications and containerization concepts. Users need to configure and parameterize the tool based on their application requirements. Copilot, on the other hand, abstracts away much of the complexity and provides a simplified experience with its opinionated workflows. It is designed to reduce the learning curve and make it easier for developers to deploy and manage their applications on AWS.

6. Key difference 6: Community support and updates: App2Container is a managed service offered by AWS, which means it receives regular updates and improvements from AWS. However, it might have a more limited community support compared to Copilot, which has a growing user community and an active open-source development model. Copilot benefits from the contributions and feedback from the community, leading to faster bug fixes, feature enhancements, and broader integration support.

In Summary, AWS App2Container automates the containerization process of existing applications, while AWS Copilot provides a higher level of abstraction and automation for deploying and managing containerized applications on AWS services. Copilot offers integration with AWS workflows, comprehensive configuration and deployment management, portability, simplified experience, and community support, making it a preferred choice for developers deploying applications on AWS.