initial commit

postgres/Dockerfile

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+FROM postgres:14
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends postgresql-14-wal2json \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+RUN echo "wal_level = logical" >> /usr/share/postgresql/postgresql.conf.sample

postgres/info.txt

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+dc exec postgresql psql "user=cookbook replication=database"
+
+IDENTIFY_SYSTEM;
+CREATE_REPLICATION_SLOT test LOGICAL wal2json;
+START_REPLICATION SLOT test 0/0000000
+
+https://www.postgresql.org/docs/14/protocol-replication.html
+https://github.com/postgres/postgres/blob/master/src/bin/pg_basebackup/pg_recvlogical.c
+https://github.com/kibae/pg-logical-replication/blob/master/index.js
+https://github.com/eulerto/wal2json