diff --git a/.env.tests b/.env.tests
new file mode 100644
index 0000000000..b7b97c1e33
--- /dev/null
+++ b/.env.tests
@@ -0,0 +1,8 @@
+# Environment variable overrides for CI tests
+# Provides multi-pool connections for documentsdb and vectorsdb shared tables testing
+
+_APP_CONNECTIONS_DATABASE_DOCUMENTSDB=db_main=mongodb://user:password@mongodb:27017/appwrite,db_shared_v1=mongodb://user:password@mongodb-shared-tables-v1:27017/appwrite,db_shared_v2=mongodb://user:password@mongodb-shared-tables-v2:27017/appwrite
+_APP_DATABASE_DOCUMENTSDB_KEYS=documentsdb_db_main,documentsdb_db_shared_v1,documentsdb_db_shared_v2
+
+_APP_CONNECTIONS_DATABASE_VECTORSDB=db_main=postgresql://user:password@postgresql:5432/appwrite,db_shared_v1=postgresql://user:password@postgresql-shared-tables-v1:5432/appwrite,db_shared_v2=postgresql://user:password@postgresql-shared-tables-v2:5432/appwrite
+_APP_DATABASE_VECTORSDB_KEYS=vectorsdb_db_main,vectorsdb_db_shared_v1,vectorsdb_db_shared_v2
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04e37bc332..c2094d62d6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  COMPOSE_FILE: docker-compose.yml
+  COMPOSE_FILE: docker-compose.yml:docker-compose.tests.yml
   IMAGE: appwrite-dev
 
 on:
@@ -460,10 +460,14 @@ jobs:
           _APP_BROWSER_HOST: http://invalid-browser/v1
           _APP_DATABASE_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'database_db_main' || '' }}
           _APP_DATABASE_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'database_db_main' || '' }}
+          _APP_DATABASE_DOCUMENTSDB_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'documentsdb_db_shared_v1,documentsdb_db_shared_v2' || '' }}
+          _APP_DATABASE_DOCUMENTSDB_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'documentsdb_db_shared_v1' || '' }}
+          _APP_DATABASE_VECTORSDB_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'vectorsdb_db_shared_v1,vectorsdb_db_shared_v2' || '' }}
+          _APP_DATABASE_VECTORSDB_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'vectorsdb_db_shared_v1' || '' }}
         run: |
           docker load --input /tmp/${{ env.IMAGE }}.tar
-          docker compose pull --quiet --ignore-buildable
-          docker compose up -d --quiet-pull --wait
+          docker compose --env-file .env --env-file .env.tests pull --quiet --ignore-buildable
+          docker compose --env-file .env --env-file .env.tests up -d --quiet-pull --wait
 
       - name: Wait for Open Runtimes
         timeout-minutes: 3
@@ -534,10 +538,14 @@ jobs:
           _APP_OPTIONS_ABUSE: enabled
           _APP_DATABASE_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'database_db_main' || '' }}
           _APP_DATABASE_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'database_db_main' || '' }}
+          _APP_DATABASE_DOCUMENTSDB_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'documentsdb_db_shared_v1,documentsdb_db_shared_v2' || '' }}
+          _APP_DATABASE_DOCUMENTSDB_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'documentsdb_db_shared_v1' || '' }}
+          _APP_DATABASE_VECTORSDB_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'vectorsdb_db_shared_v1,vectorsdb_db_shared_v2' || '' }}
+          _APP_DATABASE_VECTORSDB_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'vectorsdb_db_shared_v1' || '' }}
         run: |
           docker load --input /tmp/${{ env.IMAGE }}.tar
-          docker compose pull --quiet --ignore-buildable
-          docker compose up -d --quiet-pull --wait
+          docker compose --env-file .env --env-file .env.tests pull --quiet --ignore-buildable
+          docker compose --env-file .env --env-file .env.tests up -d --quiet-pull --wait
 
       - name: Run tests
         uses: itznotabug/php-retry@v3
@@ -591,10 +599,14 @@ jobs:
         env:
           _APP_DATABASE_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'database_db_main' || '' }}
           _APP_DATABASE_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'database_db_main' || '' }}
+          _APP_DATABASE_DOCUMENTSDB_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'documentsdb_db_shared_v1,documentsdb_db_shared_v2' || '' }}
+          _APP_DATABASE_DOCUMENTSDB_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'documentsdb_db_shared_v1' || '' }}
+          _APP_DATABASE_VECTORSDB_SHARED_TABLES: ${{ matrix.mode != 'dedicated' && 'vectorsdb_db_shared_v1,vectorsdb_db_shared_v2' || '' }}
+          _APP_DATABASE_VECTORSDB_SHARED_TABLES_V1: ${{ matrix.mode == 'shared_v1' && 'vectorsdb_db_shared_v1' || '' }}
         run: |
           docker load --input /tmp/${{ env.IMAGE }}.tar
-          docker compose pull --quiet --ignore-buildable
-          docker compose up -d --quiet-pull --wait
+          docker compose --env-file .env --env-file .env.tests pull --quiet --ignore-buildable
+          docker compose --env-file .env --env-file .env.tests up -d --quiet-pull --wait
 
       - name: Wait for Open Runtimes
         timeout-minutes: 3
@@ -668,6 +680,8 @@ jobs:
         run: docker compose down -v
 
       - name: Installing latest version
+        env:
+          COMPOSE_FILE: docker-compose.yml
         run: |
           rm docker-compose.yml
           rm .env
diff --git a/docker-compose.tests.yml b/docker-compose.tests.yml
new file mode 100644
index 0000000000..e28b24e58e
--- /dev/null
+++ b/docker-compose.tests.yml
@@ -0,0 +1,160 @@
+# Test-specific containers for shared tables testing
+# Provides separate MongoDB and PostgreSQL instances for documentsdb/vectorsdb shared tables
+
+x-logging: &x-logging
+  logging:
+    driver: "json-file"
+    options:
+      max-file: "5"
+      max-size: "10m"
+
+services:
+  appwrite:
+    depends_on:
+      mongodb-shared-tables-v1:
+        condition: service_healthy
+      mongodb-shared-tables-v2:
+        condition: service_healthy
+      postgresql-shared-tables-v1:
+        condition: service_healthy
+      postgresql-shared-tables-v2:
+        condition: service_healthy
+
+  appwrite-realtime:
+    depends_on:
+      mongodb-shared-tables-v1:
+        condition: service_healthy
+      mongodb-shared-tables-v2:
+        condition: service_healthy
+      postgresql-shared-tables-v1:
+        condition: service_healthy
+      postgresql-shared-tables-v2:
+        condition: service_healthy
+
+  mongodb-shared-tables-v1:
+    image: mongo:8.2.5
+    container_name: appwrite-mongodb-shared-tables-v1
+    <<: *x-logging
+    networks:
+      - appwrite
+    volumes:
+      - appwrite-mongodb-shared-tables-v1:/data/db
+      - appwrite-mongodb-shared-tables-v1-keyfile:/data/keyfile
+      - ./mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro
+      - ./mongo-entrypoint.sh:/mongo-entrypoint.sh:ro
+    ports:
+      - "27018:27017"
+    environment:
+      - MONGO_INITDB_ROOT_USERNAME=root
+      - MONGO_INITDB_ROOT_PASSWORD=${_APP_DB_ROOT_PASS}
+      - MONGO_INITDB_DATABASE=${_APP_DB_SCHEMA}
+      - MONGO_INITDB_USERNAME=${_APP_DB_USER}
+      - MONGO_INITDB_PASSWORD=${_APP_DB_PASS}
+    entrypoint: ["/bin/bash", "/mongo-entrypoint.sh"]
+    healthcheck:
+      test: |
+        bash -c "
+          if mongosh -u root -p ${_APP_DB_ROOT_PASS} --authenticationDatabase admin --quiet --eval 'rs.status().ok' 2>/dev/null | grep -q 1; then
+            exit 0
+          else
+            mongosh -u root -p ${_APP_DB_ROOT_PASS} --authenticationDatabase admin --quiet --eval \"
+              rs.initiate({_id: 'rs0', members: [{_id: 0, host: 'appwrite-mongodb-shared-tables-v1:27017'}]})
+            \" 2>/dev/null || exit 1
+          fi
+        "
+      interval: 10s
+      timeout: 10s
+      retries: 10
+      start_period: 30s
+
+  mongodb-shared-tables-v2:
+    image: mongo:8.2.5
+    container_name: appwrite-mongodb-shared-tables-v2
+    <<: *x-logging
+    networks:
+      - appwrite
+    volumes:
+      - appwrite-mongodb-shared-tables-v2:/data/db
+      - appwrite-mongodb-shared-tables-v2-keyfile:/data/keyfile
+      - ./mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro
+      - ./mongo-entrypoint.sh:/mongo-entrypoint.sh:ro
+    ports:
+      - "27019:27017"
+    environment:
+      - MONGO_INITDB_ROOT_USERNAME=root
+      - MONGO_INITDB_ROOT_PASSWORD=${_APP_DB_ROOT_PASS}
+      - MONGO_INITDB_DATABASE=${_APP_DB_SCHEMA}
+      - MONGO_INITDB_USERNAME=${_APP_DB_USER}
+      - MONGO_INITDB_PASSWORD=${_APP_DB_PASS}
+    entrypoint: ["/bin/bash", "/mongo-entrypoint.sh"]
+    healthcheck:
+      test: |
+        bash -c "
+          if mongosh -u root -p ${_APP_DB_ROOT_PASS} --authenticationDatabase admin --quiet --eval 'rs.status().ok' 2>/dev/null | grep -q 1; then
+            exit 0
+          else
+            mongosh -u root -p ${_APP_DB_ROOT_PASS} --authenticationDatabase admin --quiet --eval \"
+              rs.initiate({_id: 'rs0', members: [{_id: 0, host: 'appwrite-mongodb-shared-tables-v2:27017'}]})
+            \" 2>/dev/null || exit 1
+          fi
+        "
+      interval: 10s
+      timeout: 10s
+      retries: 10
+      start_period: 30s
+
+  postgresql-shared-tables-v1:
+    image: appwrite/postgres:0.1.0
+    container_name: appwrite-postgresql-shared-tables-v1
+    <<: *x-logging
+    networks:
+      - appwrite
+    volumes:
+      - appwrite-postgresql-shared-tables-v1:/var/lib/postgresql/18/data:rw
+    ports:
+      - "5433:5432"
+    environment:
+      - POSTGRES_DB=${_APP_DB_SCHEMA}
+      - POSTGRES_USER=${_APP_DB_USER}
+      - POSTGRES_PASSWORD=${_APP_DB_PASS}
+    command: postgres -c 'max_connections=500'
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${_APP_DB_USER} -d ${_APP_DB_SCHEMA}"]
+      interval: 5s
+      timeout: 5s
+      retries: 30
+      start_period: 30s
+
+  postgresql-shared-tables-v2:
+    image: appwrite/postgres:0.1.0
+    container_name: appwrite-postgresql-shared-tables-v2
+    <<: *x-logging
+    networks:
+      - appwrite
+    volumes:
+      - appwrite-postgresql-shared-tables-v2:/var/lib/postgresql/18/data:rw
+    ports:
+      - "5434:5432"
+    environment:
+      - POSTGRES_DB=${_APP_DB_SCHEMA}
+      - POSTGRES_USER=${_APP_DB_USER}
+      - POSTGRES_PASSWORD=${_APP_DB_PASS}
+    command: postgres -c 'max_connections=500'
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${_APP_DB_USER} -d ${_APP_DB_SCHEMA}"]
+      interval: 5s
+      timeout: 5s
+      retries: 30
+      start_period: 30s
+
+networks:
+  appwrite:
+    name: appwrite
+
+volumes:
+  appwrite-mongodb-shared-tables-v1:
+  appwrite-mongodb-shared-tables-v1-keyfile:
+  appwrite-mongodb-shared-tables-v2:
+  appwrite-mongodb-shared-tables-v2-keyfile:
+  appwrite-postgresql-shared-tables-v1:
+  appwrite-postgresql-shared-tables-v2: