Containers And REST APIs Workshop

Overview

Containers & REST APIs Workshop

Containers vs Virtual Machines

contvsvms

Ferramentas

API REST em Python Flask

.
└── python-api
    ├── app
    │   ├── __init__.py
    │   └── main
    │       ├── __init__.py
    │       └── routes.py
    ├── boot.sh
    ├── config.py
    ├── Dockerfile
    ├── flask_server.py
    └── requirements.txt

Arquivos importantes:

  • /app/main/routes.py contém a lógica de negócio
  • /config.py e /.env é onde configuramos as variáveis de ambiente na aplicação
  • requirements.txt é onde listamos os pacotes Python necessários
  • Dockerfile é a "receita de bolo" para construir o ambiente onde a aplicação irá ser executada (desde nível de SISTEMA OPERACIONAL)

Onde posso realizar deploy desse código na IBM Cloud?

- IBM Code Engine
- Kubernetes (IKS: IBM Kubernetes Service)
- OpenShift (ROKS: Red Hat OpenShift Kubernetes Service)
- IBM Cloud Functions

Como construir a imagem?

podman build . -t <repo>/<namespace>/<image_name>:<version_tag>

ou

docker build . -t <repo>/<namespace>/<image_name>:<version_tag>

Como executá-lo?

podman run -p 5000:5000 <repo>/<namespace>/<image_name>:<version_tag>
docker run -p 5000:5000 <repo>/<namespace>/<image_name>:<version_tag>
Owner
Vanderlei Munhoz
Computer Science (MSc.) student at Federal University of Santa Catarina 🇧🇷 & Tech Lead at IBM
Vanderlei Munhoz
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