feat: add initial

docker/docker-entrypoint-initdb.d/examples-init.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# ------------------------------------------------------------------------
+# Creates the examples database and respective user. This database location
+# and access credentials are defined on the environment variables
+# ------------------------------------------------------------------------
+set -e
+
+psql -v ON_ERROR_STOP=1 --username "${POSTGRES_USER}" <<-EOSQL
+  CREATE USER ${EXAMPLES_USER} WITH PASSWORD '${EXAMPLES_PASSWORD}';
+  CREATE DATABASE ${EXAMPLES_DB};
+  GRANT ALL PRIVILEGES ON DATABASE ${EXAMPLES_DB} TO ${EXAMPLES_USER};
+EOSQL
+
+psql -v ON_ERROR_STOP=1 --username "${POSTGRES_USER}" -d "${EXAMPLES_DB}" <<-EOSQL
+   GRANT ALL ON SCHEMA public TO ${EXAMPLES_USER};
+EOSQL