diagrams.py

from diagrams import Diagram, Cluster, Edge
from diagrams.custom import Custom
from diagrams.onprem.compute import Server
from diagrams.onprem.monitoring import Grafana, Prometheus
from diagrams.onprem.container import Docker
from diagrams.onprem.database import Mongodb
from diagrams.onprem.iac import Ansible
from diagrams.onprem.ci import GithubActions

with Diagram(name="Startup infra for small self hosted project", show=False):
    
    ansible = Ansible("Ansible")
    actions = GithubActions("Github Actions")

    with Cluster("Master worker"):

        ingress = Custom("ingress", "/out/caddy2.png")

        with Cluster("Observability"):
            # Docker
            portainer = Custom("portainer", "/out/portainer.png")
            registery = Docker("Private Registery")
            ingress >> portainer >> registery 
            # Prometheus
            metrics = Prometheus("Prometheus")
            graphana = Grafana("Grafana")
            ingress >> graphana >> metrics
            # Provisioning
            ob = [metrics, graphana, portainer, registery]
            ob << Edge(color="firebrick", style="dashed") << ansible    

        with Cluster("Application worker", direction="TB"):
            app = Server("Application")
            db  = Mongodb("Database")
            ingress >> app >> db
        
        # CI/CD
        registery \
            << Edge(color="firebrick", style="dashed") << actions \
            >> Edge(color="firebrick", style="dashed") >> [db, app]