Bad way to deploy Rails project to EC2

1. Install Docker Engine

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sudo apt-get update
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sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release
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sudo mkdir -p /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
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echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
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sudo apt-get update
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sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin
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sudo usermod -aG docker $USER
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sudo docker run hello-world

2. Verify Docker Compose

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docker compose version

3. Pull the source code to EC2

4. Build Docker images

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docker compose build

5. Run Docker containers

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docker compose up -d

References