diff --git a/Dockerfile b/Dockerfile
index 1fa68c5..6ba1a5f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -108,11 +108,10 @@ RUN mv /usr/local/sqoop/conf/sqoop-env-template.sh /usr/local/sqoop/conf/sqoop-e
 RUN echo "export HADOOP_COMMON_HOME=/usr/local/hadoop" >> /usr/local/sqoop/conf/sqoop-env.sh
 RUN echo "export HADOOP_MAPRED_HOME=/usr/local/hadoop" >> /usr/local/sqoop/conf/sqoop-env.sh
 
-# Expose necessary ports
-EXPOSE 9870 8088 9000
-
-#installing postgresql
-RUN apt-get -y install postgresql
+# Install PostgreSQL
+RUN apt-get install -y postgresql
 RUN wget https://jdbc.postgresql.org/download/postgresql-42.7.1.jar
 RUN mv postgresql-42.7.1.jar /usr/local/sqoop/lib/
 
+# Expose necessary ports
+EXPOSE 9870 8088 9000