fix: defaults for postgres fixed

scripts/postgres-container

@@ -8,31 +8,32 @@ read -p "Postgres DB name (default = postgres) " dbname
 read -p "Postgres DB username (default = postgres) " dbuser
 read -p "Postgres DB password (default = postgres) " dbpw
 
-if [[ $port == "" ]]; then
+port=${port:-5432}
-    port=5432
+dbname=${dbname:-postgres}
-fi
+dbuser=${dbuser:-postgres}
+dbpw=${dbpw:-postgres}
 
 if [[ $2 ]]; then
-    read -p "Do you wish to mount the data directory to $2/pgdata? (y/N)" domount
+	read -p "Do you wish to mount the data directory to $2/pgdata? (y/N) " domount
 
-    if [[ $domount == "y" ]]; then
+	if [[ $domount == "y" ]]; then
-        mountarg="-v $2/pgdata:/var/lib/postgresql/data"
+		mountarg="-v $2/pgdata:/var/lib/postgresql/data"
-    else
+	else
-        mountarg=""
+		mountarg=""
-    fi
+	fi
 else
-    mountarg=""
+	mountarg=""
 fi
 
 echo "
 => Starting container with port $port
 "
 
-docker run --rm \
+docker run \
-    $mountarg \
+	$mountarg \
-    -p $port:5432 \
+	-p $port:5432 \
-    -e POSTGRES_USER=$dbuser \
+	-e POSTGRES_USER=$dbuser \
-    -e POSTGRES_PASSWORD=$dbpw \
+	-e POSTGRES_PASSWORD=$dbpw \
-    -e POSTGRES_DB=$dbname \
+	-e POSTGRES_DB=$dbname \
-    --name $name \
+	--name $name \
-    postgres
+	postgres &