diff --git a/postgresql/Dockerfile b/postgresql/Dockerfile
index b7667355..1272b5da 100644
--- a/postgresql/Dockerfile
+++ b/postgresql/Dockerfile
@@ -1,13 +1,15 @@
 ARG POSTGRES_VERSION=17
 
 FROM postgres:${POSTGRES_VERSION}
+ARG PGRATIONAL_GIT_REPO=https://github.com/begriffs/pg_rational.git
 ARG PGRATIONAL_VERSION=v0.0.2
 WORKDIR /src
 RUN apt-get update && \
 
     ## Install pg_rational
-    DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential git postgresql-server-dev-all pgloader && \
-    git clone https://github.com/begriffs/pg_rational.git && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential git \
+      postgresql-server-dev-all pgloader && \
+    git clone ${PGRATIONAL_GIT_REPO} && \
     cd pg_rational && \
     git checkout ${PGRATIONAL_VERSION} && \
     make && \
diff --git a/postgresql/Makefile b/postgresql/Makefile
index 880012f1..1cb3a541 100644
--- a/postgresql/Makefile
+++ b/postgresql/Makefile
@@ -14,7 +14,7 @@ psql:
 
 .PHONY: shell
 shell:
-	@make --no-print-directory docker compose-shell SERVICE=psotgres
+	@make --no-print-directory docker compose-shell SERVICE=postgres
 
 .PHONY: client # Get client certificate and private key files
 client:
@@ -66,7 +66,12 @@ localdb: client
 
 .PHONY: chinook # Import Chinook sample database
 chinook:
-	docker compose --env-file=${ENV_FILE} exec postgres /bin/sh -c 'createdb chinook && psql -c "create role chinook; grant chinook to $${POSTGRES_DB};" && PGUSER=$${POSTGRES_DB} pgloader https://github.com/lerocha/chinook-database/raw/master/ChinookDatabase/DataSources/Chinook_Sqlite_AutoIncrementPKs.sqlite pgsql:///chinook'
+	@POSTGRES_DB=$$(${BIN}/dotenv -f ${ENV_FILE} get POSTGRES_DB); set -x; docker compose --env-file=${ENV_FILE} exec postgres /bin/sh -c 'createdb chinook && PGUSER=root pgloader https://github.com/lerocha/chinook-database/raw/master/ChinookDatabase/DataSources/Chinook_Sqlite_AutoIncrementPKs.sqlite pgsql:///chinook && psql -c "create role chinook;" && psql -d chinook -c "GRANT chinook to $${POSTGRES_DB}; GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO chinook; GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO chinook;"'
+
+.PHONY: drop-chinook # Delete the chinook sample database
+drop-chinook:
+	docker compose --env-file=${ENV_FILE} exec postgres /bin/sh -c 'psql -X -c "drop database chinook"' || true
+	docker compose --env-file=${ENV_FILE} exec postgres /bin/sh -c 'psql -X -c "drop role chinook"' || true
 
 .PHONY: psql-alias # Get the psql alias with baked connection string
 psql-alias:
diff --git a/postgresql/init-user.sh b/postgresql/init-user.sh
index 6ebc9c59..6d596524 100644
--- a/postgresql/init-user.sh
+++ b/postgresql/init-user.sh
@@ -4,5 +4,9 @@ set -e
 ## hook to create the POSTGRES_LIMITED_USER on fresh DB initialization.
 psql -v ON_ERROR_STOP=1 --username "${POSTGRES_USER}" --dbname "${POSTGRES_DB}" <<-EOF
      CREATE USER "${POSTGRES_LIMITED_USER}";
+     GRANT USAGE ON SCHEMA public TO "${POSTGRES_LIMITED_USER}";
+     GRANT CREATE ON SCHEMA public TO "${POSTGRES_LIMITED_USER}";
+     ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON TABLES TO ${POSTGRES_LIMITED_USER};
+     ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON SEQUENCES TO ${POSTGRES_LIMITED_USER};
      CREATE EXTENSION pg_rational;
 EOF