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feat(ops): k8s
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27
README.md
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27
README.md
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@ -27,7 +27,7 @@ Front Page|Post
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- Open source, [AGPL License](/LICENSE).
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- Self hostable, easy to deploy.
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- Comes with [Docker](#docker), [Ansible](#ansible).
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- Comes with [Docker](#docker), [Ansible](#ansible), [Kubernetes](#kubernetes).
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- Live-updating Comment threads.
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- Full vote scores `(+/-)` like old reddit.
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- Moderation abilities.
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@ -112,6 +112,31 @@ nano inventory # enter your server, domain, contact email
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ansible-playbook lemmy.yml --become
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```
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### Kubernetes
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You'll need to have an existing Kubernetes cluster and [storage class](https://kubernetes.io/docs/concepts/storage/storage-classes/).
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Setting this up will vary depending on your provider.
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To try it locally, you can use [MicroK8s](https://microk8s.io/) or [Minikube](https://kubernetes.io/docs/tasks/tools/install-minikube/).
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Once you have a working cluster, edit the environment variables and volume sizes in `docker/k8s/*.yml`.
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You may also want to change the service types to use `LoadBalancer`s depending on where you're running your cluster (add `type: LoadBalancer` to `ports)`, or `NodePort`s.
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By default they will use `ClusterIP`s, which will allow access only within the cluster. See the [docs](https://kubernetes.io/docs/concepts/services-networking/service/) for more on networking in Kubernetes.
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**Important** Running a database in Kubernetes will work, but is generally not recommended.
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If you're deploying on any of the common cloud providers, you should consider using their managed database service instead (RDS, Cloud SQL, Azure Databse, etc.).
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Now you can deploy:
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```bash
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# Add `-n foo` if you want to deploy into a specific namespace `foo`;
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# otherwise your resources will be created in the `default` namespace.
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kubectl apply -f docker/k8s/db.yml
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kubectl apply -f docker/k8s/pictshare.yml
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kubectl apply -f docker/k8s/lemmy.yml
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```
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If you used a `LoadBalancer`, you should see it in your cloud provider's console.
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## Develop
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### Docker Development
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48
docker/k8s/db.yml
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48
docker/k8s/db.yml
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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labels:
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lemmy.service: db
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name: db
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spec:
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replicas: 1
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strategy:
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type: Recreate
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template:
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metadata:
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labels:
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lemmy.service: db
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spec:
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containers:
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- env:
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- name: POSTGRES_DB
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value: lemmy
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- name: POSTGRES_PASSWORD
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# example: very-good-password
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value: CHANGE_ME
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- name: POSTGRES_USER
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value: lemmy
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image: postgres:12-alpine
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name: db
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volumeMounts:
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- mountPath: /var/lib/postgresql/data
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name: db
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restartPolicy: Always
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volumes:
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- name: db
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persistentVolumeClaim:
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claimName: db
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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labels:
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lemmy.service: db
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name: db
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 20Gi
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46
docker/k8s/lemmy.yml
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46
docker/k8s/lemmy.yml
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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labels:
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lemmy.service: lemmy
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name: lemmy
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spec:
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replicas: 1
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template:
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metadata:
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labels:
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lemmy.service: lemmy
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spec:
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containers:
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- env:
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- name: DATABASE_URL
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# example: 'postgres://lemmy:password@db:5432/lemmy'
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value: CHANGE_ME
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- name: HOSTNAME
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# example: 'lemmy.example.com'
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value: CHANGE_ME
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- name: JWT_SECRET
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# example: 'very-super-good-secret'
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value: CHANGE_ME
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- name: LEMMY_FRONT_END_DIR
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value: /app/dist
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image: dessalines/lemmy:v0.2.0.1
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name: lemmy
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ports:
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- containerPort: 8536
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restartPolicy: Always
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---
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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lemmy.service: lemmy
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name: lemmy
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spec:
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ports:
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- name: "8536"
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port: 8536
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targetPort: 8536
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selector:
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lemmy.service: lemmy
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57
docker/k8s/pictshare.yml
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57
docker/k8s/pictshare.yml
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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labels:
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lemmy.service: pictshare
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name: pictshare
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spec:
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replicas: 1
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strategy:
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type: Recreate
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template:
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metadata:
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labels:
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lemmy.service: pictshare
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spec:
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containers:
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- image: hascheksolutions/pictshare:latest
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name: pictshare
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ports:
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- containerPort: 80
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volumeMounts:
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- mountPath: /usr/share/nginx/html/data
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name: pictshare
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restartPolicy: Always
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volumes:
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- name: pictshare
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persistentVolumeClaim:
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claimName: pictshare
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---
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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lemmy.service: pictshare
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name: pictshare
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spec:
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ports:
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- name: "8537"
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port: 8537
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targetPort: 80
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selector:
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lemmy.service: pictshare
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status:
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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labels:
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lemmy.service: pictshare
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name: pictshare
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 20Gi
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