feat: add Render Blueprint for one-click self-host (#15478)

Adds one-click deploy to [Render](https://render.com) for self-hosters.
The change is additive: a root `render.yaml`, two small files under
`.render/`, and one button in the existing Self-Host section of the
README.

.render/Dockerfile

@@ -0,0 +1,8 @@
+# syntax=docker/dockerfile:1.7
+
+# Adds a start script to the published AFFiNE image. Nothing is compiled here.
+FROM ghcr.io/toeverything/affine:stable
+
+COPY --chmod=0755 start.sh /usr/local/bin/render-start.sh
+
+CMD ["/usr/local/bin/render-start.sh"]

.render/start.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+set -eu
+
+# Use the hostname Render assigns, unless AFFINE_SERVER_HOST is already set to a
+# custom domain.
+export AFFINE_SERVER_HOST="${AFFINE_SERVER_HOST:-${RENDER_EXTERNAL_HOSTNAME:-localhost}}"
+
+# Generates the server private key on first boot, then runs the Prisma and data
+# migrations. Safe to run on every boot.
+node ./scripts/self-host-predeploy.js
+
+exec node ./dist/main.js

README.md

@@ -176,6 +176,8 @@ We would like to express our gratitude to all the individuals who have already c
 
 Begin with Docker to deploy your own feature-rich, unrestricted version of AFFiNE. Our team is diligently updating to the latest version. For more information on how to self-host AFFiNE, please refer to our [documentation](https://docs.affine.pro/self-host-affine).
 
+[![Deploy to Render](https://render.com/images/deploy-to-render-button.svg)](https://render.com/deploy?repo=https://github.com/toeverything/AFFiNE)
+
 [![Run on Sealos](https://sealos.io/Deploy-on-Sealos.svg)](https://sealos.io/products/app-store/affine)
 
 [![Run on ClawCloud](https://raw.githubusercontent.com/ClawCloud/Run-Template/refs/heads/main/Run-on-ClawCloud.svg)](https://template.run.claw.cloud/?openapp=system-fastdeploy%3FtemplateName%3Daffine)

render.yaml

@@ -0,0 +1,52 @@
+version: '1'
+
+projects:
+  - name: affine
+    environments:
+      - name: production
+        services:
+          - type: web
+            name: affine
+            runtime: docker
+            plan: standard
+            # The Dockerfile adds a start script to ghcr.io/toeverything/affine:stable. It runs migrations and the server
+            dockerfilePath: ./.render/Dockerfile
+            dockerContext: ./.render
+            healthCheckPath: /info
+            disk:
+              # Uploaded blobs (~/.affine/storage) and the generated private key
+              # (~/.affine/config/private.key) must survive restarts.
+              name: affine-data
+              mountPath: /root/.affine
+              sizeGB: 10
+            envVars:
+              - key: AFFINE_SERVER_PORT
+                value: 10000
+              - key: AFFINE_SERVER_HTTPS
+                value: true
+              - key: DATABASE_URL
+                fromDatabase:
+                  name: affine-postgres
+                  property: connectionString
+              - key: REDIS_SERVER_HOST
+                fromService:
+                  name: affine-keyvalue
+                  type: keyvalue
+                  property: host
+              - key: REDIS_SERVER_PORT
+                fromService:
+                  name: affine-keyvalue
+                  type: keyvalue
+                  property: port
+
+          - type: keyvalue
+            name: affine-keyvalue
+            plan: starter
+            maxmemoryPolicy: noeviction
+            ipAllowList: [] # internal connections only
+
+        databases:
+          - name: affine-postgres
+            plan: basic-256mb
+            postgresMajorVersion: '16'
+            ipAllowList: [] # internal connections only