feat: cdk init (#4)

infra/README.md

@@ -0,0 +1,58 @@
+
+# Welcome to your CDK Python project!
+
+This is a blank project for Python development with CDK.
+
+The `cdk.json` file tells the CDK Toolkit how to execute your app.
+
+This project is set up like a standard Python project.  The initialization
+process also creates a virtualenv within this project, stored under the .env
+directory.  To create the virtualenv it assumes that there is a `python3`
+(or `python` for Windows) executable in your path with access to the `venv`
+package. If for any reason the automatic creation of the virtualenv fails,
+you can create the virtualenv manually.
+
+To manually create a virtualenv on MacOS and Linux:
+
+```
+$ python3 -m venv .env
+```
+
+After the init process completes and the virtualenv is created, you can use the following
+step to activate your virtualenv.
+
+```
+$ source .env/bin/activate
+```
+
+If you are a Windows platform, you would activate the virtualenv like this:
+
+```
+% .env\Scripts\activate.bat
+```
+
+Once the virtualenv is activated, you can install the required dependencies.
+
+```
+$ pip install -r requirements.txt
+```
+
+At this point you can now synthesize the CloudFormation template for this code.
+
+```
+$ cdk synth
+```
+
+To add additional dependencies, for example other CDK libraries, just add
+them to your `setup.py` file and rerun the `pip install -r requirements.txt`
+command.
+
+## Useful commands
+
+ * `cdk ls`          list all stacks in the app
+ * `cdk synth`       emits the synthesized CloudFormation template
+ * `cdk deploy`      deploy this stack to your default AWS account/region
+ * `cdk diff`        compare deployed stack with current state
+ * `cdk docs`        open CDK documentation
+
+Enjoy!

infra/app.py

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+#!/usr/bin/env python3
+
+from aws_cdk import core
+
+from infra.infra_stack import InfraStack
+
+
+app = core.App()
+InfraStack(app, "infra")
+
+app.synth()

infra/cdk.json

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+{
+  "app": "python3 app.py",
+  "context": {
+    "@aws-cdk/core:enableStackNameDuplicates": "true",
+    "aws-cdk:enableDiffNoFail": "true",
+    "@aws-cdk/core:stackRelativeExports": "true"
+  }
+}

infra/infra/infra_stack.py

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+from aws_cdk import core
+
+
+class InfraStack(core.Stack):
+
+    def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
+        super().__init__(scope, id, **kwargs)
+
+        # The code that defines your stack goes here