Creating and managing bank accounts, each including the account holder’s name, balance, and currency type.
Logging all balance updates for every account, ensuring that each deposit or withdrawal generates a new record.
Facilitating money transfers between two accounts, using transactions to ensure that both accounts are updated successfully or, if an issue occurs, no changes are made.

Setup local development

Install tools

Docker Desktop
PopSQL - free for users with Github Student Developer Pack
Golang

MacOS

brew install golang-migrate

Windows Using scoop

scoop install migrate

Linux (*.deb package)

curl -L https://packagecloud.io/golang-migrate/migrate/gpgkey | apt-key add -
echo "deb https://packagecloud.io/golang-migrate/migrate/ubuntu/(lsb_release -sc) main" > /etc/apt/sources.list.d/migrate.list
apt-get update
apt-get install -y migrate

Sqlc
```
brew install sqlc
```

Gomock

go install github.com/golang/mock/mockgen

Setup infrastructure

Create the bank-network for Docker
```
make network
```
Start postgres container in Docker:
```
make postgres
```
Create simplebank database:
```
make create_db
```
Run db migration:
```
make up_migrate
```
Run db migration up 1 version:
```
make up_migrate_last
```
Run db migration down all versions:
```
make down_migrate
```
Run db migration down 1 version:
```
make down_migrate_last
```
Generate SQL CRUD with sqlc:
```
make sqlc
```
Generate DB mock with gomock:
```
make mock
```

Create a new db migration:

make new_migration name=<migration_name>

How to run

Run the program:
```
make run
```
Run test:
```
make test
```