Make SQL example in README easy to copy

README.md

@@ -3,16 +3,33 @@ SeamDB aims to be a computation cluster to seam existing services to provide dat
 
 ## Give it a try
 
+```bash
+docker run --rm -p 5432:5432 kezhuw/seamdb
 ```
-docker run --rm -p 5432:5432 -d kezhuw/seamdb
 
+Wait few seconds for seamdb to up.
+```bash
 docker run -it --rm jbergknoff/postgresql-client postgresql://host.docker.internal/db1
+```
+
+```sql
+CREATE DATABASE db1;
+```
+
+```sql
+CREATE TABLE table1 (id serial PRIMARY KEY, count bigint NOT NULL, price real NOT NULL, description text);
+```
+
+```sql
+INSERT INTO table1 (count, price, description) VALUES (4, 15.6, NULL), (3, 7.8, 'NNNNNN'), (8, 3.4, 'a'), (8, 2.9, 'b');
+```
+
+```sql
+SELECT id, count, price description FROM table1 ORDER BY count DESC, id ASC;
+```
 
-db1=> CREATE DATABASE db1;
-db1=> CREATE TABLE table1 (id serial PRIMARY KEY, count bigint NOT NULL, price real NOT NULL, description text);
-db1=> INSERT INTO table1 (count, price, description) VALUES (4, 15.6, NULL), (3, 7.8, 'NNNNNN'), (8, 3.4, 'a'), (8, 2.9, 'b');
-db1=> SELECT id, count, price description FROM table1 ORDER BY count DESC, id ASC;
-db1=> SELECT sum(count) AS count, max(price) AS max_price, min(price) AS min_price, sum(count*price) AS sales_amount from table1 ORDER BY max(price) DESC;
+```sql
+SELECT sum(count) AS count, max(price) AS max_price, min(price) AS min_price, sum(count*price) AS sales_amount from table1 ORDER BY max(price) DESC;
 ```
 
 ## Seaming services