* system structure
   #+BEGIN_SRC dot :file dwg-r2.svg :cmdline -Kdot -Tsvg
     digraph MRVA_Containers {
         rankdir=LR;
         node [shape=plaintext fontname="Helvetica"];
         edge [arrowsize=0.5];

         // Title
         label="Container Dependencies for MRVA";
         labelloc=top;
         fontsize=20;
         fontname="Helvetica";

         // mrvastore-init
         mrvastore_init [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>mrvastore-init</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: minio/mc</font></td></tr>
             </table>
             >
         ];

         // mrvastore
         mrvastore [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>mrvastore</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: minio/minio:RELEASE.2024-06-11T03-13-30Z</font></td></tr>
             </table>
             >
         ];

         // client-ghmrva
         client_ghmrva [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>client-ghmrva</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: client-ghmrva-container:0.4.0</font></td></tr>
             </table>
             >
         ];

         // code-server
         code_server [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>code-server</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: code-server-initialized:0.4.0</font></td></tr>
             </table>
             >
         ];

         // hepc
         hepc [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>hepc</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: mrva-hepc-container:0.4.0</font></td></tr>
             </table>
             >
         ];

         // rabbitmq
         rabbitmq [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>rabbitmq</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: rabbitmq:3-management</font></td></tr>
             </table>
             >
         ];

         // server
         server [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>server</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: mrva-server:0.4.0</font></td></tr>
             <tr><td port="slot1"></td></tr>
             <tr><td port="slot2"></td></tr>
             <tr><td port="slot3"></td></tr>
             </table>
             >
         ];

         // postgres
         postgres [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>postgres</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: postgres:15</font></td></tr>
             </table>
             >
         ];

         // agent
         agent [
             shape=plaintext
             label=<
             <table border="1" cellborder="0" cellspacing="0" cellpadding="4">
             <tr><td bgcolor="lightblue"><b>agent</b></td></tr>
             <tr><td align="left"><font point-size="10">Image: mrva-agent:0.4.0</font></td></tr>
             </table>
             >
         ];

         // Edges (dependencies)
         mrvastore_init -> mrvastore;
         server -> rabbitmq;
         server -> mrvastore;
         server -> postgres;
         server -> hepc;
         agent -> rabbitmq;
         agent -> mrvastore;
         agent -> hepc;
         code_server -> server;
         client_ghmrva -> server;
     }
   #+END_SRC