diff --git a/Chapter 3: Time Series Analysis/Dockerfile b/Chapter 3: Time Series Analysis/Dockerfile
new file mode 100644
index 0000000..92c84e3
--- /dev/null
+++ b/Chapter 3: Time Series Analysis/Dockerfile	
@@ -0,0 +1,6 @@
+FROM postgres:15.5-alpine
+
+ENV POSTGRES_PASSWORD postgres
+
+COPY us_retail_sales.csv /docker-entrypoint-initdb.d/
+COPY create_retail_sales_table.sql /docker-entrypoint-initdb.d/
diff --git a/Chapter 3: Time Series Analysis/create_retail_sales_table.sql b/Chapter 3: Time Series Analysis/create_retail_sales_table.sql
index 210d37d..1fae484 100644
--- a/Chapter 3: Time Series Analysis/create_retail_sales_table.sql	
+++ b/Chapter 3: Time Series Analysis/create_retail_sales_table.sql	
@@ -13,6 +13,7 @@ sales_month date
 -- populate the table with data from the csv file. Download the file locally before completing this step
 COPY retail_sales 
 FROM '/localpath/us_retail_sales.csv' -- change to the location you saved the csv file
+-- FROM '/docker-entrypoint-initdb.d/us_retail_sales.csv' -- for docker comment out the line above and uncomment this one
 DELIMITER ','
 CSV HEADER
 ;