feat(db): Support passing db connection as separate env vars (#545)

Author: brendan-kellam

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+- Added support for passing db connection url as seperate `DATABASE_HOST`, `DATABASE_USERNAME`, `DATABASE_PASSWORD`, `DATABASE_NAME`, and `DATABASE_ARGS` env vars. [#545](https://github.com/sourcebot-dev/sourcebot/pull/545)
+
 ## [4.7.3] - 2025-09-29
 
 ### Fixed

Dockerfile

@@ -185,7 +185,6 @@ ENV DATA_DIR=/data
 ENV DATA_CACHE_DIR=$DATA_DIR/.sourcebot
 ENV DATABASE_DATA_DIR=$DATA_CACHE_DIR/db
 ENV REDIS_DATA_DIR=$DATA_CACHE_DIR/redis
-ENV DATABASE_URL="postgresql://postgres@localhost:5432/sourcebot"
 ENV REDIS_URL="redis://localhost:6379"
 ENV SRC_TENANT_ENFORCEMENT_MODE=strict
 ENV SOURCEBOT_PUBLIC_KEY_PATH=/app/public.pem

docs/docs/configuration/environment-variables.mdx

@@ -19,7 +19,7 @@ The following environment variables allow you to configure your Sourcebot deploy
 | `DATA_CACHE_DIR` | `$DATA_DIR/.sourcebot` | <p>The root data directory in which all data written to disk by Sourcebot will be located.</p> |
 | `DATA_DIR` | `/data` | <p>The directory within the container to store all persistent data. Typically, this directory will be volume mapped such that data is persisted across container restarts (e.g., `docker run -v $(pwd):/data`)</p> |
 | `DATABASE_DATA_DIR` | `$DATA_CACHE_DIR/db` | <p>The data directory for the default Postgres database.</p> |
-| `DATABASE_URL` | `postgresql://postgres@ localhost:5432/sourcebot` | <p>Connection string of your Postgres database. By default, a Postgres database is automatically provisioned at startup within the container.</p><p>If you'd like to use a non-default schema, you can provide it as a parameter in the database url </p> |
+| `DATABASE_URL` | `postgresql://postgres@ localhost:5432/sourcebot` | <p>Connection string of your Postgres database. By default, a Postgres database is automatically provisioned at startup within the container.</p><p>If you'd like to use a non-default schema, you can provide it as a parameter in the database url.</p><p>You can also use `DATABASE_HOST`, `DATABASE_USERNAME`, `DATABASE_PASSWORD`, `DATABASE_NAME`, and `DATABASE_ARGS` to construct the database url.</p> |
 | `EMAIL_FROM_ADDRESS` | `-` | <p>The email address that transactional emails will be sent from. See [this doc](/docs/configuration/transactional-emails) for more info.</p> | 
 | `FORCE_ENABLE_ANONYMOUS_ACCESS` | `false` | <p>When enabled, [anonymous access](/docs/configuration/auth/access-settings#anonymous-access) to the organization will always be enabled</p>
 | `REDIS_DATA_DIR` | `$DATA_CACHE_DIR/redis` | <p>The data directory for the default Redis instance.</p> |

entrypoint.sh

@@ -1,6 +1,24 @@
 #!/bin/sh
 set -e
 
+# Check if DATABASE_URL is not set
+if [ -z "$DATABASE_URL" ]; then
+    # Check if the individual database variables are set and construct the URL
+    if [ -n "$DATABASE_HOST" ] && [ -n "$DATABASE_USERNAME" ] && [ -n "$DATABASE_PASSWORD" ]  && [ -n "$DATABASE_NAME" ]; then
+        DATABASE_URL="postgresql://${DATABASE_USERNAME}:${DATABASE_PASSWORD}@${DATABASE_HOST}/${DATABASE_NAME}"
+
+        if [ -n "$DATABASE_ARGS" ]; then
+            DATABASE_URL="${DATABASE_URL}?$DATABASE_ARGS"
+        fi
+
+        export DATABASE_URL
+    else
+        # Otherwise, fallback to a default value
+        DATABASE_URL="postgresql://postgres@localhost:5432/sourcebot"
+        export DATABASE_URL
+    fi
+fi
+
 if [ "$DATABASE_URL" = "postgresql://postgres@localhost:5432/sourcebot" ]; then
     DATABASE_EMBEDDED="true"
 fi