DevSecOps in Practice

Docker Images

Before deploying our microservices containers, we need to create Docker images for them. Start by creating a Dockerfile for the menu service:

cat <$HOME/RestQR/menu/Dockerfile
FROM python:3.9-slim
WORKDIR /app
COPY requirements.txt .
RUN pip install -r requirements.txt
COPY . .
CMD ["python", "app.py"]
EOF

Create a Dockerfile for the qr service:

cat <$HOME/RestQR/qr/Dockerfile
FROM python:3.9-slim
WORKDIR /app
COPY requirements.txt .
RUN pip install -r requirements.txt
COPY . .
CMD ["python", "app.py"]
EOF

Since the menu service requires a PostgreSQL database, we need to create a Dockerfile for the database. We are going to use the Bitnami PostgreSQL image since we are going to deploy the database using Helm later in this guide: