From c4580fc437400e8e35fd1950c6f47d6c92655aab Mon Sep 17 00:00:00 2001
From: Ivan087 <wujiatai087@gmail.com>
Date: Fri, 28 Nov 2025 11:04:20 +0800
Subject: [PATCH] Auto-generated by Trail System

---
 Dockerfile                      | 14 ++++++++++++++
 app.py                          | 16 ++++++++++++++++
 chart/Chart.yaml                |  6 ++++++
 chart/templates/deployment.yaml | 24 ++++++++++++++++++++++++
 chart/templates/service.yaml    | 11 +++++++++++
 chart/values.yaml               |  6 ++++++
 6 files changed, 77 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 app.py
 create mode 100644 chart/Chart.yaml
 create mode 100644 chart/templates/deployment.yaml
 create mode 100644 chart/templates/service.yaml
 create mode 100644 chart/values.yaml

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..27ada38
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,14 @@
+# Build stage
+FROM python:3.9-slim as build
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Runtime stage
+FROM python:3.9-slim
+WORKDIR /app
+COPY --from=build /usr/local/lib/python3.9/site-packages /usr/local/lib/python3.9/site-packages
+COPY . .
+RUN pip install --no-cache-dir gunicorn
+EXPOSE 5000
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "app:app"]
\ No newline at end of file
diff --git a/app.py b/app.py
new file mode 100644
index 0000000..60c6594
--- /dev/null
+++ b/app.py
@@ -0,0 +1,16 @@
+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route('/')
+def todo_list():
+    """Route to return the Todo List page."""
+    return 'Todo List'
+
+@app.errorhandler(404)
+def page_not_found(e):
+    """Handle 404 errors."""
+    return 'Page not found', 404
+
+if __name__ == '__main__':
+    app.run(debug=False)
\ No newline at end of file
diff --git a/chart/Chart.yaml b/chart/Chart.yaml
new file mode 100644
index 0000000..ad39b58
--- /dev/null
+++ b/chart/Chart.yaml
@@ -0,0 +1,6 @@
+apiVersion: v2
+name: todo-app
+description: A minimal Todo App built with Python Flask, containerized with Docker, and prepared for Kubernetes deployment via Helm. The application serves a simple 'Todo List' message at the root endpoint.
+type: application
+version: 0.1.0
+appVersion: "1.0.0"
\ No newline at end of file
diff --git a/chart/templates/deployment.yaml b/chart/templates/deployment.yaml
new file mode 100644
index 0000000..b690f36
--- /dev/null
+++ b/chart/templates/deployment.yaml
@@ -0,0 +1,24 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: todo-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: todo-app
+  template:
+    metadata:
+      labels:
+        app: todo-app
+    spec:
+      containers:
+      - name: todo-app
+        image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
+        ports:
+        - containerPort: 5000
+        env:
+        - name: FLASK_APP
+          value: "app.py"
+        - name: FLASK_DEBUG
+          value: "false"
\ No newline at end of file
diff --git a/chart/templates/service.yaml b/chart/templates/service.yaml
new file mode 100644
index 0000000..26cb1a2
--- /dev/null
+++ b/chart/templates/service.yaml
@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: todo-app-service
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.port }}
+  selector:
+    app: todo-app
\ No newline at end of file
diff --git a/chart/values.yaml b/chart/values.yaml
new file mode 100644
index 0000000..29a4891
--- /dev/null
+++ b/chart/values.yaml
@@ -0,0 +1,6 @@
+image:
+  repository: todo-app
+  tag: latest
+service:
+  port: 5000
+  type: ClusterIP
\ No newline at end of file