fix: Pin embedded postgresql version to 16 (#770)

Author: brendan-kellam

CHANGELOG.md

@@ -7,13 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+- Fixed "The data directory was initialized by PostgreSQL version 16, which is not compatible with this version 18.1" error when using the embedded database and upgrading to v14.10.13. [#770](https://github.com/sourcebot-dev/sourcebot/pull/770)
+
 ## [4.10.13] - 2026-01-21
 
 ### Changed
 - Bumped AI SDK and associated packages version. [#752](https://github.com/sourcebot-dev/sourcebot/pull/752)
 - Bumped Node.js version to v24. [#753](https://github.com/sourcebot-dev/sourcebot/pull/753)
 
-### Fixes
+### Fixed
 - Fixed hardcoded localhost URLs in org URL and invite links by using AUTH_URL as fallback. [#764](https://github.com/sourcebot-dev/sourcebot/pull/764)
 - Fix autocomplete when repo includes default port [#762](https://github.com/sourcebot-dev/sourcebot/pull/762)
 - Fixed "Repository not found for file: x" error when searching in orphaned shards. [#761](https://github.com/sourcebot-dev/sourcebot/pull/761)

Dockerfile

@@ -178,7 +178,7 @@ ENV SOURCEBOT_LOG_LEVEL=info
 # ENV SOURCEBOT_TELEMETRY_DISABLED=1
 
 # Configure dependencies
-RUN apk add --no-cache git ca-certificates bind-tools tini jansson wget supervisor uuidgen curl perl jq redis postgresql postgresql-contrib openssl util-linux unzip
+RUN apk add --no-cache git ca-certificates bind-tools tini jansson wget supervisor uuidgen curl perl jq redis postgresql16 postgresql16-contrib openssl util-linux unzip
 
 ARG UID=1500
 ARG GID=1500

docker-compose.yml

@@ -28,7 +28,7 @@ services:
       # https://docs.sourcebot.dev/docs/configuration/environment-variables
 
   postgres:
-    image: docker.io/postgres:${POSTGRES_VERSION:-17}
+    image: docker.io/postgres:${POSTGRES_VERSION:-16}
     restart: always
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U postgres"]
@@ -45,7 +45,7 @@ services:
       - sourcebot_postgres_data:/var/lib/postgresql/data
 
   redis:
-    image: docker.io/redis:${REDIS_VERSION:-latest}
+    image: docker.io/redis:${REDIS_VERSION:-8}
     restart: always
     ports:
       - 127.0.0.1:6379:6379