A simple python flask webservice to encrypt/decrypt pdf files git repo: https://github.com/trevynmace/flask_web_pdf_encryption docker image: https://hub.docker.com/r/trevynmace/flask_web/ docker pull trevynmace/flask_web GCP service endpoint: http://35.227.178.5:5000 OR http://trevynmace.com:5000 FROM python:3.7-alpine (smaller filesize than python:3.7 or ubuntu [obviously]) docker build -t flask_web:latest . docker run -p 5000:5000 flask_web docker container ls docker stop <containerId here> docker ps docker save -o <output path> flask_web docker commit <containerId> flask_web docker tag flask_web <repo url> docker push <repo url> docker cloud upload: docker login docker tag <image> $DOCKER_ID_USER/flask_web docker push $DOCKER_ID_USER/flask_web upload to gcr: docker tag trevynmace/flask_web gcr.io/<projectId>/flask_web:latest docker push gcr.io/<projectId goes here>/flask_web:latest gcp: gcloud components install kubectl gcloud auth configure-docker gcloud container clusters create flask-web --num-nodes=3 #3 hours later... gcloud compute instances list kubectl run <kubernetes cluster name> --image=trevynmace/flask_web:latest --port 5000 OR kubectl run <kubernetes cluster name> --image=gcr.io/<projectId>/flask_web:latest --port 5000 kubectl get pods kubectl expose deployment <kubernetes cluster name> --type=LoadBalancer --port 5000 --target-port 5000 #then to get the external ip of the service kubectl get service #to update the service running on the cluster docker build, docker tag, kubtctl set image deployment/flask-web flask-web=<image location>:<tag>