From 19ecfc7155d99a836ce094c915f4e83b9e89867e Mon Sep 17 00:00:00 2001
From: Iliyan Vutoff <iliyan@receipt-bank.com>
Date: Sun, 15 Oct 2023 15:00:31 +0300
Subject: [PATCH 1/4] Simple Python Flask app

---
 .python-version  |  1 +
 app/app.py       | 12 ++++++++++++
 app/app_test.py  | 17 +++++++++++++++++
 requirements.txt |  8 ++++++++
 4 files changed, 38 insertions(+)
 create mode 100644 .python-version
 create mode 100644 app/app.py
 create mode 100644 app/app_test.py
 create mode 100644 requirements.txt

diff --git a/.python-version b/.python-version
new file mode 100644
index 000000000..9919bf8c9
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.10.13
diff --git a/app/app.py b/app/app.py
new file mode 100644
index 000000000..5e4513f07
--- /dev/null
+++ b/app/app.py
@@ -0,0 +1,12 @@
+from flask import Flask
+
+app = Flask(__name__)
+
+
+@app.route("/")
+def hello_world():
+    return "Hello, World!"
+
+
+if __name__ == "__main__":
+    app.run()
diff --git a/app/app_test.py b/app/app_test.py
new file mode 100644
index 000000000..a1b1bacb2
--- /dev/null
+++ b/app/app_test.py
@@ -0,0 +1,17 @@
+import unittest
+
+from app import app
+
+
+class TestApp(unittest.TestCase):
+    def setUp(self):
+        self.client = app.test_client()
+
+    def test_hello_world(self):
+        response = self.client.get("/")
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.data, b"Hello, World!")
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000..75cb9a31a
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,8 @@
+blinker==1.6.3 ; python_version >= "3.10" and python_version < "4.0"
+click==8.1.7 ; python_version >= "3.10" and python_version < "4.0"
+colorama==0.4.6 ; python_version >= "3.10" and python_version < "4.0" and platform_system == "Windows"
+flask==3.0.0 ; python_version >= "3.10" and python_version < "4.0"
+itsdangerous==2.1.2 ; python_version >= "3.10" and python_version < "4.0"
+jinja2==3.1.2 ; python_version >= "3.10" and python_version < "4.0"
+markupsafe==2.1.3 ; python_version >= "3.10" and python_version < "4.0"
+werkzeug==3.0.0 ; python_version >= "3.10" and python_version < "4.0"

From 6549d8a1241f944eb0243bb0025efaf3fd486d95 Mon Sep 17 00:00:00 2001
From: Iliyan Vutoff <iliyan@receipt-bank.com>
Date: Wed, 25 Oct 2023 17:59:51 +0300
Subject: [PATCH 2/4] Make listen port configurable via ENV variable

Use env var PORT to specify listen port.
---
 app/app.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/app.py b/app/app.py
index 5e4513f07..3a06f8f5e 100644
--- a/app/app.py
+++ b/app/app.py
@@ -1,3 +1,5 @@
+import os
+
 from flask import Flask
 
 app = Flask(__name__)
@@ -9,4 +11,4 @@ def hello_world():
 
 
 if __name__ == "__main__":
-    app.run()
+    app.run(port=os.environ.get("PORT", 5000))

From 03f258c1bfc0274846cec097edb3fa2f093b381f Mon Sep 17 00:00:00 2001
From: Stella Kraycheva <st.kraycheva.gmail.com>
Date: Wed, 25 Oct 2023 20:41:28 +0300
Subject: [PATCH 3/4] Add Dockerfile

---
 Dockerfile | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 Dockerfile

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 000000000..1e1c83028
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,21 @@
+FROM ubuntu:22.04
+
+RUN apt-get update && apt-get install -y \
+    python3 \
+    python3-pip
+
+WORKDIR /app
+
+COPY requirements.txt .
+
+RUN pip3 install -r /app/requirements.txt 
+
+COPY  app .
+
+EXPOSE 5000
+
+RUN useradd --create-home myuser
+USER myuser
+
+CMD [ "python3","app.py" ]
+

From e280fc78bf56c5eb4f284412f577b7356f7b485e Mon Sep 17 00:00:00 2001
From: Stella Kraycheva <st.kraycheva.gmail.com>
Date: Wed, 25 Oct 2023 20:50:20 +0300
Subject: [PATCH 4/4] Add Dockerfile

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 1e1c83028..8aab9b743 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ COPY  app .
 
 EXPOSE 5000
 
-RUN useradd --create-home myuser
+RUN useradd --create-user myuser
 USER myuser
 
 CMD [ "python3","app.py" ]