使用k8s部署Django项目的方法步骤

FROM centos:7

ENV LC_ALL=en_US.utf-8 LANG=en_US.utf-8
RUN yum install -y https://centos7.iuscommunity.org/ius-release.rpm && \
 yum install -y python36u python36u-libs python36u-devel python36u-pip mysql-devel gcc which && \
 pip3.6 install pipenv

COPY Pipfile Pipfile.lock /my_app/
WORKDIR /my_app
RUN pipenv sync

COPY my_app_site /my_app/my_app_site
COPY gunicorn_config.py /my_app/gunicorn_config.py
COPY resource/nginx.conf /my_app/resource/nginx.conf

RUN mkdir /static/ && \
 cd my_app_site && \
 pipenv run python manage.py collectstatic && \
 cd my_app_site && \
 rm -f local_settings.py

WORKDIR /my_app

EXPOSE 8000
CMD pipenv run gunicorn my_app_site.wsgi -c gunicorn_config.py --log-file logs/gunicorn.log

# ------------------- MyApp Deployment ------------------- #

kind: Deployment
apiVersion: apps/v1beta2
metadata:
 labels:
 k8s-app: my_app
 name: my_app
spec:
 replicas: 2
 revisionHistoryLimit: 10
 selector:
 matchLabels:
 k8s-app: my_app
 template:
 metadata:
 labels:
 k8s-app: my_app
 spec:
 volumes:
 - name: nginx-config
 emptyDir: {}
 - name: static-dir
 emptyDir: {}
 containers:
 - name: my_app-web
 image: my_app:latest
 ports:
 - containerPort: 8000
  protocol: TCP
 volumeMounts:
 - name: nginx-config
  mountPath: /etc/nginx/conf.d/
 - name: static-dir
  mountPath: /usr/share/nginx/html/my_app/static
 command: ["/bin/sh"]
 args: ["-c", "cp resource/nginx.conf /etc/nginx/conf.d/ && \
  cp /static/* /usr/share/nginx/html/my_app/static -rf && \
  pipenv run gunicorn my_app.wsgi -c gunicorn_config.py"]
 - name: my_app-nginx
 image: nginx:1.15.8
 ports:
  - containerPort: 8899
  protocol: TCP
 volumeMounts:
  - name: nginx-config
  mountPath: /etc/nginx/conf.d/
  - name: static-dir
  mountPath: /usr/share/nginx/html/my_app/static
 livenessProbe:
  httpGet:
  scheme: HTTP
  path: /
  port: 8899
  initialDelaySeconds: 30
  timeoutSeconds: 30
---

# ------------------- MyApp Service ------------------- #

kind: Service
apiVersion: v1
metadata:
 labels:
 k8s-app: my_app
 name: my_app
spec:
 ports:
 - port: 8899
 targetPort: 8899
 selector:
 k8s-app: my_app
 type: NodePort