Add gitlab (#1683)

* Add gitlab

postgres/docker-entrypoint-initdb.d/.gitignore

@@ -1,2 +1,3 @@
 *.sh
-!init_jupyterhub_db.sh
+!init_gitlab_db.sh
+!init_jupyterhub_db.sh

postgres/docker-entrypoint-initdb.d/init_gitlab_db.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# Copy createdb.sh.example to createdb.sh
+# then uncomment then set database name and username to create you need databases
+#
+# example: .env POSTGRES_USER=appuser and need db name is myshop_db
+# 
+#    psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+#        CREATE USER myuser WITH PASSWORD 'mypassword';
+#        CREATE DATABASE myshop_db;
+#        GRANT ALL PRIVILEGES ON DATABASE myshop_db TO myuser;
+#    EOSQL
+#
+# this sh script will auto run when the postgres container starts and the $DATA_PATH_HOST/postgres not found.
+#
+# 
+# psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+#     CREATE USER db1 WITH PASSWORD 'db1';
+#     CREATE DATABASE db1;
+#     GRANT ALL PRIVILEGES ON DATABASE db1 TO db1;
+# EOSQL
+# 
+# psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+#     CREATE USER db2 WITH PASSWORD 'db2';
+#     CREATE DATABASE db2;
+#     GRANT ALL PRIVILEGES ON DATABASE db2 TO db2;
+# EOSQL
+# 
+# psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+#     CREATE USER db3 WITH PASSWORD 'db3';
+#     CREATE DATABASE db3;
+#     GRANT ALL PRIVILEGES ON DATABASE db3 TO db3;
+# EOSQL
+# 
+### default database and user for gitlab ##############################################
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    CREATE USER laradock_gitlab WITH PASSWORD 'laradock_gitlab';
+    CREATE DATABASE laradock_gitlab;
+    GRANT ALL PRIVILEGES ON DATABASE laradock_gitlab TO laradock_gitlab;
+    ALTER ROLE laradock_gitlab CREATEROLE SUPERUSER;
+EOSQL