postgres-docker

Self-use postgres docker image with following changes

Extensions

1. postgresql-contrib with pg_stat_statements enable
2. zhparserfull-text search of Chinese
3. pg-safeupdaterequire SQL Where Clause in update/delete
4. pg_cronrun cron job

Cofnig

1. default_text_search_config set to 'chinese' to use zhparser
2. pg_stat_statements, safeupdate load by default
3. max_replication_slots if USE_REPLICATION env is set

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