Update Dockerfile

Author: gabrieljablonski

Dockerfile

@@ -1,6 +1,6 @@
 FROM pgvector/pgvector:pg16 AS builder
 
-FROM bitnami/postgresql-repmgr:16
+FROM postgres:16-alpine
 
-COPY --from=builder /usr/lib/postgresql/16/lib/vector.so /opt/bitnami/postgresql/lib/
-COPY --from=builder /usr/share/postgresql/16/extension/vector* /opt/bitnami/postgresql/share/extension/
+COPY --from=builder /usr/lib/postgresql/16/lib/vector.so /usr/lib/postgresql/16/lib/vector.so
+COPY --from=builder /usr/share/postgresql/16/extension/vector* /usr/lib/postgresql/16/share/extension/