Fixed unrecognized configuration parameter error with Docker image - fixes #249

Author: ankane

Dockerfile

@@ -2,7 +2,7 @@ FROM ruby:3-alpine
 
 LABEL org.opencontainers.image.authors="Andrew Kane <[email protected]>"
 
-RUN apk add --update build-base libpq-dev postgresql-client && \
+RUN apk add --update build-base libpq-dev postgresql16-client && \
     gem install pg --platform ruby && \
     gem install pgsync && \
     apk del build-base && \