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+# AIS Course Project
+
+This is the code base for *Accounting Information System* course project.
+
+## Database Structure
+
+See [ais/install.go at master - ais - MSW Gitea](https://yongyuancv.cn/git/heimoshuiyu/ais/src/branch/master/pkg/api/install.go)
+
+Server use envirment variable `POSTGRES` as connection string for `postgres`. Example: `postgres://username:password@serverhost:5432/?sslmode=disable`
+
+## Self-host guide
+
+The recommend way to self-host services is to use docker.
+
+To start a postgres server:
+
+```shell
+docker run -it --name pgdb -e POSTGRES_PASSWORD=password postgres
+```
+
+To build and bundle the front-end pages:
+
+```shell
+cd web
+npm install
+npm run build
+```
+
+To build the server program, run:
+
+```shell
+go mod tidy
+go build -v .
+```
+
+> The server build process should always run after the front-end bundle process, because it needs to embed the `index.html` and `ais.js` to the binanary file.
+
+For more detailed information, see the drone CI/CD file, and [CI/CD page](https://drone.yongyuancv.cn/heimoshuiyu/ais)
+
+![Build Status]()
+
+## Security Evluation
+
+### Cookies-Session Encrytp Solution
+
+Session information encrypted by server and stored on client side. See [GitHub - gorilla/sessions: Package gorilla/sessions provides cookie and filesystem sessions and infrastructure for custom session backends.](https://github.com/gorilla/sessions)
+
+### User Password Hash Protect
+
+Implement with golang's standard hash library bcrypt. see [bcrypt documents](https://golang.org/x/crypto/bcrypt).
+
+## Performance Evluation
+
+With CI/CD auto push to edge network, the server capacity can be scale both vertically and horizontally. All `API` request is stateless, and can be easily migrate to become cloud-native application.
+
+
+
+