diff --git a/infrastructure-as-code/terraform/apps/app1/.DS_Store b/infrastructure-as-code/terraform/apps/app1/.DS_Store
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diff --git a/infrastructure-as-code/terraform/apps/app1/README.md b/infrastructure-as-code/terraform/apps/app1/README.md
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+++ b/infrastructure-as-code/terraform/apps/app1/README.md
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+# Application Architecture
+### this architecture constructed with one ec2 instance.
+![Architecture](./aws_arche1.drawio.png)
\ No newline at end of file
diff --git a/infrastructure-as-code/terraform/apps/app1/aws_arche1.drawio b/infrastructure-as-code/terraform/apps/app1/aws_arche1.drawio
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+++ b/infrastructure-as-code/terraform/apps/app1/aws_arche1.drawio
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+<mxfile host="app.diagrams.net" modified="2024-06-20T06:21:45.271Z" agent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36" etag="ptxd-Bp0XemrKNqK5L6E" version="24.2.3" type="device">
+  <diagram name="ページ1" id="2bPJ4O78AZPvUGkzkBep">
+    <mxGraphModel dx="1350" dy="713" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="827" pageHeight="1169" math="0" shadow="0">
+      <root>
+        <mxCell id="0" />
+        <mxCell id="1" parent="0" />
+        <mxCell id="hzA0jrtBjJrsL5iH-gcI-2" value="VPC" style="points=[[0,0],[0.25,0],[0.5,0],[0.75,0],[1,0],[1,0.25],[1,0.5],[1,0.75],[1,1],[0.75,1],[0.5,1],[0.25,1],[0,1],[0,0.75],[0,0.5],[0,0.25]];outlineConnect=0;gradientColor=none;html=1;whiteSpace=wrap;fontSize=12;fontStyle=0;container=1;pointerEvents=0;collapsible=0;recursiveResize=0;shape=mxgraph.aws4.group;grIcon=mxgraph.aws4.group_vpc2;strokeColor=#8C4FFF;fillColor=none;verticalAlign=top;align=left;spacingLeft=30;fontColor=#AAB7B8;dashed=0;" vertex="1" parent="1">
+          <mxGeometry x="150" y="200" width="380" height="320" as="geometry" />
+        </mxCell>
+        <mxCell id="hzA0jrtBjJrsL5iH-gcI-4" value="Private subnet" style="points=[[0,0],[0.25,0],[0.5,0],[0.75,0],[1,0],[1,0.25],[1,0.5],[1,0.75],[1,1],[0.75,1],[0.5,1],[0.25,1],[0,1],[0,0.75],[0,0.5],[0,0.25]];outlineConnect=0;gradientColor=none;html=1;whiteSpace=wrap;fontSize=12;fontStyle=0;container=1;pointerEvents=0;collapsible=0;recursiveResize=0;shape=mxgraph.aws4.group;grIcon=mxgraph.aws4.group_security_group;grStroke=0;strokeColor=#00A4A6;fillColor=#E6F6F7;verticalAlign=top;align=left;spacingLeft=30;fontColor=#147EBA;dashed=0;" vertex="1" parent="1">
+          <mxGeometry x="190" y="250" width="290" height="240" as="geometry" />
+        </mxCell>
+        <mxCell id="hzA0jrtBjJrsL5iH-gcI-5" value="Amazon EC2" style="sketch=0;outlineConnect=0;fontColor=#232F3E;gradientColor=none;strokeColor=#ffffff;fillColor=#232F3E;dashed=0;verticalLabelPosition=middle;verticalAlign=bottom;align=center;html=1;whiteSpace=wrap;fontSize=10;fontStyle=1;spacing=3;shape=mxgraph.aws4.productIcon;prIcon=mxgraph.aws4.ec2;" vertex="1" parent="hzA0jrtBjJrsL5iH-gcI-4">
+          <mxGeometry x="100" y="70" width="80" height="100" as="geometry" />
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
+</mxfile>
diff --git a/infrastructure-as-code/terraform/apps/app1/aws_arche1.drawio.png b/infrastructure-as-code/terraform/apps/app1/aws_arche1.drawio.png
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