feat(cache): bridge rolling upgrades to eviction-safe caching

.gitignore

@@ -13,3 +13,5 @@ Makefile
 .vscode
 tmp
 *.sql
+
+/compat/vendor/

Dockerfile

@@ -12,6 +12,9 @@ RUN composer install \
     --no-scripts \
     --prefer-dist
 
+COPY compat/composer.json compat/composer.lock /usr/local/legacy/
+RUN composer install --working-dir=/usr/local/legacy --ignore-platform-reqs --no-dev --no-plugins --no-scripts --prefer-dist
+
 FROM php:8.5.8-cli-alpine AS compile
 
 ENV PHP_REDIS_VERSION="6.3.0" \
@@ -103,6 +106,7 @@ ENV DEBUG=$DEBUG
 WORKDIR /usr/src/code
 
 COPY --from=composer /usr/local/src/vendor /usr/src/code/vendor
+COPY --from=composer /usr/local/legacy/vendor /opt/database-legacy/vendor
 COPY --from=swoole /ext/swoole.so /ext/swoole.so
 COPY --from=redis /ext/redis.so /ext/redis.so
 COPY --from=pcov /ext/pcov.so /ext/pcov.so

compat/composer.json

@@ -0,0 +1,11 @@
+{
+    "name": "utopia-php/database-bridge-compatibility",
+    "description": "Isolated stable cache-5/database-8 runtime for rolling migration tests",
+    "require": {
+        "utopia-php/database": "8.3.15",
+        "utopia-php/cache": "5.2.0"
+    },
+    "config": {
+        "allow-plugins": false
+    }
+}