chore(infra): update dev env template (#10845)

.docker/dev/compose.yml.example

@@ -3,7 +3,7 @@ services:
   postgres:
     env_file:
       - .env
-    image: postgres:${DB_VERSION:-16}
+    image: pgvector/pgvector:pg${DB_VERSION:-16}
     ports:
       - 5432:5432
     environment:

.github/helm/separate-config/Dockerfile_pgvector

@@ -0,0 +1,6 @@
+FROM pgvector/pgvector:pg15 AS builder
+
+FROM bitnami/postgresql:15
+
+COPY --from=builder /usr/lib/postgresql/15/lib/vector.so /opt/bitnami/postgresql/lib/
+COPY --from=builder /usr/share/postgresql/15/extension/vector* /opt/bitnami/postgresql/share/extension/