文件列表:

api/
config/
db/
token/
utils/
Dockerfile
Makefile
docker-compose.yaml
entrypoint.sh
go.mod
go.sum
main.go
sqlc.yaml

# Banking System - A backend API to imitate how a bank transfer transaction takes place - Handled data inconsistency and potential deadlocks for concurrent transactions ## Features - **Create and manage account** - Owner, balance and currency - **Record all balance changes** - Create an account entry for each change - **Money transfer transaction** - Perform money transaction between 2 accounts consistently within a transaction ## DB Schema  ## ♂ Setup & How to Run ### Using docker-compose - **Start the services** ```bash make dc-up ``` - **Stop the servcies** ```bash make dc-down ```

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### Using Docker (a bit more manual work) - **Clone the repository** ```bash git clone https://github.com/skamranahmed/banking-system.git ``` - **Create a `banking-system-network` in Docker** ```bash make create-bank-network ``` - **Setup Postgres via Docker** ```bash make setup-postgres ``` - **Create `bank` db and `bank_test` db in Postgres** ```bash make create-db ``` - **Download the project dependencies via the below command** ```bash make download ``` - **Migrate the DB Schema using the SQL Script** For this I have used the `golang-migrate` library. You will first have to install this package. For `MacOS` ```bash brew install golang-migrate ``` For other OS or kernels, refer this: https://github.com/golang-migrate/migrate/tree/master/cmd/migrate Once the installation is done, run the below commands: 1. To migrate the database schema for the `bank` db: ```bash make migrate-up ``` 2. To migrate the database schema for the `bank_test` db: ```bash make migrate-up-test ``` - **Configuring the environment variables** Make sure you are in the `banking-system` root directory. ```bash cp config/localConfigSample.yaml config/localConfig.yaml ``` - **Run the server** 1. Non-dockerized: ```bash make run ``` 2. Dockerized: - Build the docker image for the backend service: ```bash make build ``` - Run the docker image for the backend service: ```bash make dockerized-server-run ```

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