add ci cd and build Dockerfile

Author: Md-Emon-Hasan

.github/workflows/ci-cd.yml

@@ -0,0 +1,38 @@
+name: Docker Image CI-CD
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Cache Docker layers
+      uses: actions/cache@v3
+      with:
+        path: /tmp/.buildx-cache
+        key: ${{ runner.os }}-buildx-${{ github.sha }}
+        restore-keys: |
+          ${{ runner.os }}-buildx-
+
+    - name: Build Docker image
+      run: docker build -t customer-churn .
+
+    - name: Test the application (Run tests inside container)
+      run: docker run --rm customer-churn pytest tests/

Dockerfile

@@ -0,0 +1,17 @@
+# Use an official Python runtime as a parent image
+FROM python:3.11-slim
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the current directory contents into the container
+COPY . /app
+
+# Install the dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Expose the port Flask runs on
+EXPOSE 5000
+
+# Command to run the Flask app
+CMD ["python", "app.py"]

render.yml

@@ -0,0 +1,7 @@
+services:
+  - type: web
+    name: customer-churn
+    env: python
+    buildCommand: ""
+    startCommand: gunicorn app:app -b 0.0.0.0:$PORT
+    plan: free

requirements.txt

@@ -0,0 +1,5 @@
+pytest
+gunicorn
+scikit-learn
+flask
+numpy

tests/test_app.py

@@ -0,0 +1,2 @@
+def test_example():
+    assert 1 == 1