From 4f1e50422012863102d588991b52319a94e1a53f Mon Sep 17 00:00:00 2001
From: sudkul <sudhanshu.kulshrestha@gmail.com>
Date: Fri, 21 Jan 2022 17:36:25 +0530
Subject: [PATCH] Add python-helloworld app

---
 .../python-helloworld/Dockerfile              |  9 +++++
 .../python-helloworld/app.py                  | 39 +++++++++++++++++++
 .../python-helloworld/requirements.txt        |  2 +
 .../python-helloworld/test_with_pytest.py     |  3 ++
 4 files changed, 53 insertions(+)
 create mode 100644 Lesson-3-Containerization/python-helloworld/Dockerfile
 create mode 100644 Lesson-3-Containerization/python-helloworld/app.py
 create mode 100644 Lesson-3-Containerization/python-helloworld/requirements.txt
 create mode 100644 Lesson-3-Containerization/python-helloworld/test_with_pytest.py

diff --git a/Lesson-3-Containerization/python-helloworld/Dockerfile b/Lesson-3-Containerization/python-helloworld/Dockerfile
new file mode 100644
index 000000000..1d9946249
--- /dev/null
+++ b/Lesson-3-Containerization/python-helloworld/Dockerfile
@@ -0,0 +1,9 @@
+FROM python:3.8
+LABEL maintainer="Udacity"
+
+COPY . /app
+WORKDIR /app
+RUN pip install -r requirements.txt
+
+# command to run on container start
+CMD [ "python", "app.py" ]
diff --git a/Lesson-3-Containerization/python-helloworld/app.py b/Lesson-3-Containerization/python-helloworld/app.py
new file mode 100644
index 000000000..7bb61145f
--- /dev/null
+++ b/Lesson-3-Containerization/python-helloworld/app.py
@@ -0,0 +1,39 @@
+from flask import Flask
+from flask import json
+import logging
+
+app = Flask(__name__)
+
+@app.route('/status')
+def healthcheck():
+    response = app.response_class(
+            response=json.dumps({"result":"OK - healthy"}),
+            status=200,
+            mimetype='application/json'
+    )
+
+    app.logger.info('Status request successfull')
+    return response
+
+@app.route('/metrics')
+def metrics():
+    response = app.response_class(
+            response=json.dumps({"status":"success","code":0,"data":{"UserCount":140,"UserCountActive":23}}),
+            status=200,
+            mimetype='application/json'
+    )
+
+    app.logger.info('Metrics request successfull')
+    return response
+
+@app.route("/")
+def hello():
+    app.logger.info('Main request successfull')
+
+    return "Hello World!"
+
+if __name__ == "__main__":
+    ## stream logs to a file
+    logging.basicConfig(filename='app.log',level=logging.DEBUG)
+    
+    app.run(host='0.0.0.0')
diff --git a/Lesson-3-Containerization/python-helloworld/requirements.txt b/Lesson-3-Containerization/python-helloworld/requirements.txt
new file mode 100644
index 000000000..891b7d305
--- /dev/null
+++ b/Lesson-3-Containerization/python-helloworld/requirements.txt
@@ -0,0 +1,2 @@
+Flask==1.1.1
+werkzeug==0.16.1
diff --git a/Lesson-3-Containerization/python-helloworld/test_with_pytest.py b/Lesson-3-Containerization/python-helloworld/test_with_pytest.py
new file mode 100644
index 000000000..78dca9986
--- /dev/null
+++ b/Lesson-3-Containerization/python-helloworld/test_with_pytest.py
@@ -0,0 +1,3 @@
+## Define a test that will always pass successfully
+def test_always_passes():
+    assert True