Bugfix/fastapi postgres (keploy#34)

* Added container name in docker-compose.yml

Container name for database not given in this file. Thus, unable to start the application.

* Updating changes in README.md

When running natively on docker, changes need to be done in main.py & database.py from local host to container name.

* Update README.md

Author: trivedi-khushi

fastapi-postgres/README.md

@@ -32,6 +32,10 @@ curl -O -L https:///keploy.io/install.sh && source install.sh
 docker-compose up -d
 ```
 
+> **Since we have setup our sample-app natively, we need to update the container name to postgres on line 6, in `application/database.py`, from `postgresql://postgres:postgres@localhost:5432/studentdb` to `postgresql://postgres:postgres@postgres:5432/studentdb`.**
+
+> **Also, we need to update the container name to postgres on line 11, of `application/main.py`, from `postgresql://postgres:postgres@localhost:5432/studentdb` to `postgresql://postgres:postgres@postgres:5432/studentdb`.**
+
 ### Capture the Testcases
 
 This command will start the recording of API calls :

fastapi-postgres/docker-compose.yml

@@ -3,6 +3,7 @@ services:
 
   postgres:
     image: postgres:latest
+    container_name: postgres
     environment:
       POSTGRES_DB: studentdb
       POSTGRES_USER: postgres
@@ -30,4 +31,4 @@ services:
 
 networks:
   keploy-network:
-    external: true
+    external: true