Add fastapi, dockerfile & integrate into ci

.github/workflows/python-package.yml

@@ -38,3 +38,24 @@ jobs:
     - name: Test with pytest
       run: |
         pytest
+    - name: Build Docker Image
+      runs-on: ubuntu-latest
+      steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Get Version Tags
+        id: versions
+        run: |
+          echo "BACKEND_VERSION=$(echo "$(<index/api/routes.py)" | grep -oP "(?<=version=\")[^\"]+")" >> "$GITHUB_OUTPUT"
+      - name: Docker Login
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Build & push backend
+      uses: docker/build-push-action@v2
+      with:
+        file: /Dockerfile
+        push: true
+        tags: ghcr.io/${{ github.repository }}/backend:latest, ghcr.io/${{ github.repository }}/backend:${{ steps.versions.outputs.BACKEND_VERSION }}

Dockerfile

@@ -0,0 +1,16 @@
+# Define the base image
+FROM python:3.9
+
+# Create a folder and copy the folder structure from local
+RUN mkdir -p /index
+
+COPY /index /index
+
+# Install API requirements
+COPY requirements.txt /tmp/
+RUN pip install --requirement /tmp/requirements.txt
+
+EXPOSE 80
+
+# API entry point
+CMD ["uvicorn", "index.api.routes:app", "--host", "0.0.0.0", "--port", "80"]

index/api/routes.py

@@ -0,0 +1,43 @@
+import logging
+
+from fastapi import FastAPI
+from starlette.middleware.cors import CORSMiddleware
+from starlette.responses import RedirectResponse
+
+app = FastAPI(
+    title="INDEX",
+    description="Intelligent data steward toolbox using Large Language Model embeddings "
+                "for automated Data-Harmonization .",
+    version="0.0.1",
+    terms_of_service="https://www.scai.fraunhofer.de/",
+    contact={
+        "name": "Dr. Marc Jacobs",
+        "email": "[email protected]",
+    },
+    license_info={
+        "name": "Apache 2.0",
+        "url": "https://www.apache.org/licenses/LICENSE-2.0.html",
+    },
+)
+
+origins = ["*"]
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+logger = logging.getLogger("uvicorn.info")
+
+
+@app.get("/", include_in_schema=False)
+def swagger_redirect():
+    return RedirectResponse(url='/docs')
+
+
+@app.get("/version", tags=["info"])
+def get_current_version():
+    return app.version

requirements.txt

@@ -15,4 +15,8 @@ scikit-learn==1.3.2
 six==1.16.0
 thefuzz~=0.20.0
 tzdata==2023.3
-wheel==0.37.1
+wheel==0.37.1
+aiofiles~=0.7.0
+uvicorn>=0.15.0
+python-multipart
+fastapi~=0.87.0