user creation script

init/init-user-db.sh

 #!/bin/bash
 set -e
 
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    CREATE USER docker;
-    CREATE DATABASE docker;
-    GRANT ALL PRIVILEGES ON DATABASE docker TO docker;
+users=`cat /docker-entrypoint-initdb.d/users`
+
+for user in $users ;
+do
+    echo Creating user $user
+    user_pw=`echo -n $user | md5sum | cut -c -5`
+
+    psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    CREATE USER $user;
+    CREATE DATABASE $user;
+    REVOKE connect ON DATABASE $user FROM PUBLIC;
+    GRANT ALL PRIVILEGES ON DATABASE $user TO $user;
+    ALTER USER $user WITH PASSWORD '$user_pw';
 EOSQL
+
+done