Use png instead of svg

docs/platform_structure_2019-04-17.svg

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font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 166px; white-space: nowrap; overflow-wrap: normal;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div><b>Flask</b><br /></div><div><font style="font-size: 12px" color="#999999"># job list copy (read only)</font></div><div><font style="font-size: 12px" color="#999999"># gets refreshed every second</font><br /></div><div>var job_list<br /></div><div><br /></div><div><font color="#999999"># request cache<br /></font></div><div><font color="#999999"># gets flushed every second</font></div><div>var request_cache</div><div><br /></div><div><font color="#999999"># sessions</font></div><div>var sessions</div><div><br /></div><div><font color="#999999"># user interaction functions</font><br /></div><div>func login(uname, upassword)</div><div>func getJobs(filters)</div><div>...<br /></div><div><br /></div><div><b>Apache/nginx</b></div><div><br /></div><div><br /></div></div></div></foreignObject><text x="83" y="149" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 480 23 L 480 0 L 720 0 L 720 23" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 480 23 L 480 320 L 720 320 L 720 23" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 480 23 L 720 23" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="599.5" y="16">Manager</text></g><g transform="translate(481.5,36.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="134" height="128" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 135px; white-space: nowrap; overflow-wrap: normal;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div>ressource job list</div><div><br /></div><div>ressource users<br /></div><div><br /></div><div><b>Connexion</b></div><div>REST API for job list</div><div><br /></div><div><b>Kubernetes</b></div><div>Ressource management<br /></div></div></div></foreignObject><text x="67" y="70" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 480 503 L 480 480 L 720 480 L 720 503" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 480 503 L 480 800 L 720 800 L 720 503" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 480 503 L 720 503" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="599.5" y="496">Files</text></g><g transform="translate(481.5,516.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="85" height="27" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 86px; white-space: nowrap; overflow-wrap: normal;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><div>Fileserver</div><div>SSH or webdav</div></div></div></foreignObject><text x="43" y="20" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">[Not supported by viewer]</text></switch></g><path d="M 960 23 L 960 0 L 1200 0 L 1200 23" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 960 23 L 960 320 L 1200 320 L 1200 23" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 960 23 L 1200 23" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="1079.5" y="16">Worker</text></g><g transform="translate(961.5,36.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="42" height="12" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 43px; white-space: nowrap; overflow-wrap: normal;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;"><b>Docker</b></div></div></foreignObject><text x="21" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">&lt;b&gt;Docker&lt;/b&gt;</text></switch></g><path d="M 259.5 180 L 259.5 190.5 L 240.5 175 L 259.5 159.5 L 259.5 170 L 460.5 170 L 460.5 159.5 L 479.5 175 L 460.5 190.5 L 460.5 180 Z" fill="none" stroke="#000000" stroke-linejoin="round" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(307.5,169.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="105" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;background-color:#ffffff;">REST communication</div></div></foreignObject><text x="53" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">REST communication</text></switch></g><path d="M 739.5 180 L 739.5 190.5 L 720.5 175 L 739.5 159.5 L 739.5 170 L 940.5 170 L 940.5 159.5 L 959.5 175 L 940.5 190.5 L 940.5 180 Z" fill="none" stroke="#000000" stroke-linejoin="round" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(795.5,169.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="89" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;background-color:#ffffff;">Manage instances</div></div></foreignObject><text x="45" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">Manage instances</text></switch></g><path d="M 595 339.5 L 584.5 339.5 L 600 320.5 L 615.5 339.5 L 605 339.5 L 605 460.5 L 615.5 460.5 L 600 479.5 L 584.5 460.5 L 595 460.5 Z" fill="none" stroke="#000000" stroke-linejoin="round" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(551.5,394.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="96" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;background-color:#ffffff;">Read and write files</div></div></foreignObject><text x="48" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">Read and write files</text></switch></g><path d="M 941.52 255.97 L 935.09 247.67 L 959.6 248.31 L 954.06 272.19 L 947.63 263.88 L 678.48 472.03 L 684.91 480.33 L 660.4 479.69 L 665.94 455.81 L 672.37 464.12 Z" fill="none" stroke="#000000" stroke-linejoin="round" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(761.5,358.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="96" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;background-color:#ffffff;"><div>Read and write files</div></div></div></foreignObject><text x="48" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">&lt;div&gt;Read and write files&lt;/div&gt;</text></switch></g><path d="M 542.66 475.74 L 536.55 483.65 L 252.37 263.88 L 245.94 272.19 L 240.4 248.31 L 264.91 247.67 L 258.48 255.97 Z" fill="none" stroke="#000000" stroke-linejoin="round" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(364.5,357.5)"><switch><foreignObject style="overflow:visible;" pointer-events="all" width="49" height="11" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; font-size: 11px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; white-space: nowrap; text-align: center;"><div xmlns="http://www.w3.org/1999/xhtml" style="display:inline-block;text-align:inherit;text-decoration:inherit;background-color:#ffffff;">Read files</div></div></foreignObject><text x="25" y="11" fill="#000000" text-anchor="middle" font-size="11px" font-family="Helvetica">Read files</text></switch></g></g></svg>
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