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# Use Alpine version can minimize the image size
# !!!Note: Although this image contains Python, it is a slim version and lacks many standard Linux utilities, so you should install the tools that you need.
FROM python:3.11-slim-bookworm

# Set the working directory: Create a folder inside the container to store your scripts
WORKDIR /app

# Copy script: Copy the local *.py to the /app directory in the container
# Note: Your script only uses the Python standard library, so a requirements.txt file is not needed.
COPY *.py /app/*.py

# Define the entry point: set the default command to execute when the container starts
# ENTRYPOINT ensures that your Python script is always executed when the container starts
ENTRYPOINT ["python", "/app/*.py"]

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# Update system packages
sudo yum update -y 

# Install Docker
sudo yum install docker -y

# Start Docker service
sudo service docker start

# Add the current user to the docker group so that you don't need to use sudo every time you run docker commands.
sudo usermod -a -G docker ec2-user 
# Note: If you use the SSH session to connect EC2, after running this command, you need to exit the SSH session and reconnect for it to take effect.

# Check the docker infomation
docker info

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# Assume your SSH key file is my-key.pem
# Replace with your EC2 IP address and username
scp -i my-key.pem Dockerfile ec2-user@<EC2_IP address>:/home/ec2-user/vpn-test/
scp -i my-key.pem findlog.py ec2-user@<EC2_IP address>:/home/ec2-user/vpn-test/

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# 1. Switch to the project directory
cd /home/ec2-user/vpn-test/

# 2. Execute Docker build command# -t tag name: vpn-tester:local# . indicates that the Dockerfile is in the current directory
docker build -t vpn-tester:local .

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docker run vpn-tester:local