first

.dockerignore

+__pycache__
+*.pyc
+*.pyo
+venv
+*.http
+.venv
+.idea
+
+.git*
+Dockerfile
+.dockerignore

.gitignore

+__pycache__
+*.pyc
+*.pyo
+venv
+*.http
+.idea
\ No newline at end of file

.gitlab-ci.yml

+stages:
+  - build
+  - deploy
+variables:
+  GIT_DEPTH: "1"
+
+before_script:
+  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+
+.build-image:
+  stage: build
+  script:
+    - docker build --pull -t $TARGET_IMAGE .
+    - docker push $TARGET_IMAGE
+
+build-x86:
+  extends: .build-image
+  tags:
+    - docker
+  variables:
+    TARGET_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-x86
+
+build-arm:
+  extends: .build-image
+  tags:
+    - docker-arm
+  variables:
+    TARGET_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-arm
+
+.deploy:
+  stage: deploy
+  tags:
+    - docker
+  script:
+    - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-x86
+    - docker pull $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-arm
+    - docker manifest create $TARGET_IMAGE --amend $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-x86 --amend
+      $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG-arm
+    - docker manifest push $TARGET_IMAGE
+
+deploy_latest:
+  extends: .deploy
+  variables:
+    TARGET_IMAGE: $CI_REGISTRY_IMAGE:latest
+  only:
+    - master
+
+deploy_branch:
+  extends: .deploy
+  variables:
+    TARGET_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG

Dockerfile

+FROM python:3.10
+
+WORKDIR /app
+COPY ./requirements.txt ./
+RUN pip install --no-cache -r ./requirements.txt
+
+COPY . ./
+
+ENTRYPOINT ["python"]
+CMD ["main.py"]

main.py

+import os
+from fastapi import FastAPI, HTTPException
+from fastapi.responses import RedirectResponse
+import httpx
+from starlette.middleware.cors import CORSMiddleware
+
+
+app = FastAPI()
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+@app.get("/{route}")
+async def redirect_route(route: str):
+    env_key = f"ROUTE_{route}"
+    target_url = os.getenv(env_key)
+
+    if not target_url:
+        raise HTTPException(status_code=404, detail=f"Route {env_key} not found.")
+
+    try:
+        async with httpx.AsyncClient() as client:
+            response = await client.get(target_url)
+            response.raise_for_status()
+            redirect_link = response.text.strip()
+    except Exception as e:
+        raise HTTPException(status_code=501, detail=f"Failed to retrieve redirect link: {str(e)}")
+
+    return RedirectResponse(url=redirect_link, status_code=301)
+
+
+if __name__ == "__main__":
+    import uvicorn
+
+    uvicorn.run(app, proxy_headers=True, host="0.0.0.0", port=3000)
+