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Fix PostgreSQL replication: add pg_hba.conf entries for replicator user

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- Create init-master.sh that runs SQL and appends replication rules to pg_hba.conf
- Switch docker-compose-prod template from init-master.sql to init-master.sh
- Fixes "no pg_hba.conf entry for replication connection" error

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Serreau Jovann
2026-03-20 13:45:58 +01:00
parent 10a19e20b1
commit 08704c9824
2 changed files with 13 additions and 1 deletions
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2
ansible/docker-compose-prod.yml.j2
View File

@@ -37,7 +37,7 @@ services:
- hot_standby=on - hot_standby=on
volumes: volumes:
- db-master-data:/var/lib/postgresql/data - db-master-data:/var/lib/postgresql/data
- ./docker/pgsql/init-master.sql:/docker-entrypoint-initdb.d/init-master.sql - ./docker/pgsql/init-master.sh:/docker-entrypoint-initdb.d/init-master.sh
healthcheck: healthcheck:
test: ["CMD-SHELL", "pg_isready -U e-ticket -d e-ticket"] test: ["CMD-SHELL", "pg_isready -U e-ticket -d e-ticket"]
interval: 5s interval: 5s

12
docker/pgsql/init-master.sh Executable file
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@@ -0,0 +1,12 @@
#!/bin/bash
set -e
psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
CREATE USER replicator WITH REPLICATION ENCRYPTED PASSWORD 'e-ticket';
SELECT pg_create_physical_replication_slot('slave_slot');
EOSQL
echo "host replication replicator 0.0.0.0/0 md5" >> "$PGDATA/pg_hba.conf"
echo "host all all 0.0.0.0/0 md5" >> "$PGDATA/pg_hba.conf"
pg_ctl reload -D "$PGDATA"