Add initial terraform scripts for automating infra. for Informatica Secure Agent

Add initial terraform scripts for automating infra. for Informatica Secure Agent

Since our licensing restrict us from more than 1 instance of Secure Agent, before deploying a new instance existing instance need to be shutdown (after adjusting any resources that depends on that instance). Due to this reason terraform is not part of CI/CD.

Depending on how Informatica going to persist any configuration(configs and log files) for next restart, need to work on resources for EFS, this is pending.

@JARED.KOSANOVIC @ERIC.SCHOVILLE

terraform/templates/container.tpl

+[
+  {
+    "name": "${container_name}",
+    "image": "${image_name}",
+    "cpu": ${fargate_cpu},
+    "memory": ${fargate_memory},
+    "networkMode": "${network_mode}",
+    "portMappings": [
+      {
+        "containerPort": ${app_port1},
+        "hostPort": ${app_port1}
+      },
+      {
+        "containerPort": ${app_port2},
+        "hostPort": ${app_port2}
+      },
+      {
+        "containerPort": ${app_port3},
+        "hostPort": ${app_port3}
+      }
+    ]
+  }
+]
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