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.chalice/config.json

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+{
+  "version": "2.0",
+  "app_name": "crud-api-aws-chalice",
+  "stages": {
+    "dev": {
+      "api_gateway_stage": "api"
+    }
+  }
+}

.gitignore

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+.chalice/deployments/
+.chalice/venv/
+__pycache__

README.md

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+# CRUD REST API using AWS Chalice
+
+Details TBA.

app.py

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+from chalice import Chalice
+import json
+
+app = Chalice(app_name='crud-api-aws-chalice')
+
+USERS = {}
+
+# Example user in USERS:
+# {
+#     "some_username123": {
+#         "username": "some_username123",
+#         "age": 20
+#     }
+# }
+
+@app.route("/")
+def index():
+    return {'hello': 'world'}
+
+# CREATE (POST)
+@app.route('/users', methods=['POST'])
+def create_user():
+    user_as_json = app.current_request.json_body
+    USERS[user_as_json["username"]] = user_as_json
+    return user_as_json
+
+# READ (GET)
+@app.route("/users", methods=["GET"])
+def read_users():
+    return json.dumps(USERS)
+
+# READ (GET)
+@app.route("/users/{username}", methods=["GET"])
+def read_user(username):
+    if username and username in USERS:
+        return json.dumps(USERS[username])
+    return {"error": f"'{username}' is not an existing user."}
+
+# UPDATE (PUT)
+@app.route("/users", methods=["PUT"])
+def update_user():
+    user_as_json = app.current_request.json_body
+    USERS[user_as_json["username"]] = user_as_json
+    return user_as_json
+
+# DELETE (DELETE)
+@app.route("/users", methods=["DELETE"])
+def delete_user():
+    user_as_json = app.current_request.json_body
+    if user_as_json["username"] in USERS:
+        del USERS[user_as_json["username"]]
+    return user_as_json

requirements.txt

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+chalice