postgresql with multiple users

docker-compose.yml

@@ -2,14 +2,14 @@ version: "3.6"
 
 services:
     db:
-        image: postgres:10
+        image: postgres:10-alpine
         container_name: feedati_db
         volumes:
             - postgres_data:/var/lib/postgresql/data
         environment:
-            - POSTGRES_USER=ttrss
+            - POSTGRES_USER=superadmin
-            - POSTGRES_PASSWORD=password-dev
+            - POSTGRES_PASSWORD=superpass
-            - POSTGRES_DB=ttrss
+            - POSTGRES_DB=feeds
         ports:
             - 5432:5432
 
@@ -37,7 +37,7 @@ services:
         environment:
             - PHP_DISPLAY_ERRORS=stdout
             - PHP_DISPLAY_STARTUP_ERROR=1
-        entrypoint: 'wait-db php7 /app/public/tt-rss/update.php --daemon'
+        entrypoint: 'env PGHOST=db PGDATABASE=feeds PGUSER=ttrss PGPASSWORD=ttpass wait-db php7 /app/public/tt-rss/update.php --daemon'
         ports: []
         depends_on:
             - db

docker/dbconf.sql

@@ -0,0 +1,3 @@
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+CREATE USER ttrss WITH PASSWORD 'ttpass';
+CREATE USER panel WITH PASSWORD 'panelpass';

docker/ttrss-config.php

@@ -6,8 +6,8 @@
 	define('DB_TYPE', 'pgsql');
 	define('DB_HOST', 'db');
 	define('DB_USER', 'ttrss');
-	define('DB_NAME', 'ttrss');
+	define('DB_NAME', 'feeds');
-	define('DB_PASS', 'password-dev');
+	define('DB_PASS', 'ttpass');
 	define('DB_PORT', '5432');
 
 	define('MYSQL_CHARSET', 'UTF8');

docker/wait-db

@@ -1,7 +1,9 @@
 #!/bin/bash
+### psql configuration parameters must be received as environ vars
+### (PGHOST, PGDATABASE, PGUSER, PGPASSWORD)
 timeout=60
 for _ in $(seq 1 "$timeout"); do
-    if env PGPASSWORD=password-dev psql -h db -U ttrss -w ttrss -c "" -q 2> /dev/null; then
+    if psql -w -c "" -q 2> /dev/null; then
         echo "DB ready"
         exec "$@"
     fi

dodo.py

@@ -69,14 +69,18 @@ def task_dbprepare():
     '''applica il dump sql al container del db'''
     return {
         'setup': ['_dbprepare_clean', 'build'],
-        'file_dep': ['docker/ttrss.sql'],
+        'file_dep': list(scan_dir('docker', '*.sql')),
         'actions': [
                     (COMPOSE + ' up -d db').split(),
                     (wait_net_service, ('localhost', 5432, 300)),
-                    (wait_pgsql_db, ('feedati_db', 'ttrss', 'ttrss')),
+                    (wait_pgsql_db, ('feedati_db', 'feeds', 'superadmin')),
                     'echo LOADING DB',
+                    # dbconf.sql would be better put in /docker-entrypoint-initdb.d/init-user-db.sh
+                    # (see https://hub.docker.com/r/library/postgres/ )
                     r'docker exec -i $(docker ps -aqf name=feedati_db) '
-                    'psql -h 127.0.0.1 -f - -d ttrss ttrss < docker/ttrss.sql',
+                    'env PGPASSWORD=superpass psql -h 127.0.0.1 -f  - -d feeds superadmin < docker/dbconf.sql',
+                    r'docker exec -i $(docker ps -aqf name=feedati_db) '
+                    'env PGPASSWORD=ttpass psql -h 127.0.0.1 -f - -d feeds ttrss < docker/ttrss.sql',
                     'echo DB RESTORED',
                     ],
         'teardown': [(stop, [])],