homelab/k3s/synapse/synapse.yaml
Samantha Atkins 759ef949bc K3s cluster on Proxmox with WireGuard mesh networking
Replaced Headscale (too buggy in 0.28.x — random node drops) with direct
WireGuard hub-and-spoke + full mesh. 7 Proxmox VMs across 3 hosts form a
K3s v1.34.6 cluster: 3 control-plane/etcd nodes, 4 workers.

Running services: postgres, mariadb, ghost (x3), forgejo, authentik.
All unpinned services use local-path StorageClass. Databases pinned to
pve-worker and adder-worker with local PVs.

Includes VM provisioning scripts (create-debian-template.sh, clone-vm.sh),
K3s manifests for all services, and full deployment docs in k3s/README.md.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-07 01:23:13 -04:00

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YAML

# Synapse — Matrix homeserver
# PostgreSQL backend via cluster DNS: postgres
# Unpinned — scheduler places freely, local-path PVC
# NodePort 32385
#
# Deploy:
# kubectl create secret generic synapse-secret \
# --namespace <ns> \
# --from-literal=db-password='<password>'
# kubectl apply -f synapse-db-init.yaml -n <ns>
# kubectl get jobs -n <ns> -w # wait for completion
# kubectl apply -f synapse.yaml -n <ns>
#
# First boot generates /data/homeserver.yaml automatically.
# After first boot, exec into the pod and update homeserver.yaml
# to add the PostgreSQL database config (replaces default SQLite):
#
# database:
# name: psycopg2
# args:
# user: synapse_user
# password: <from synapse-secret>
# database: synapse_db
# host: postgres
# cp_min: 5
# cp_max: 10
#
# Then restart the deployment:
# kubectl rollout restart deployment/synapse -n <ns>
#
# Set SYNAPSE_SERVER_NAME to the actual Matrix domain before deploying.
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: synapse-pvc
spec:
accessModes:
- ReadWriteOnce
storageClassName: local-path
resources:
requests:
storage: 20Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: synapse
spec:
replicas: 1
selector:
matchLabels:
app: synapse
template:
metadata:
labels:
app: synapse
spec:
containers:
- name: synapse
image: matrixdotorg/synapse:latest
env:
- name: SYNAPSE_SERVER_NAME
value: "matrix.sjasoft.com"
- name: SYNAPSE_REPORT_STATS
value: "no"
ports:
- containerPort: 8008
volumeMounts:
- name: synapse-data
mountPath: /data
volumes:
- name: synapse-data
persistentVolumeClaim:
claimName: synapse-pvc
---
apiVersion: v1
kind: Service
metadata:
name: synapse
spec:
selector:
app: synapse
ports:
- port: 8008
targetPort: 8008
nodePort: 32385
type: NodePort