How to build and install

Before installing Answer, you need to install the base environment first.

• database
  • MySQL Version >= 5.7

You can then install Answer in several ways:

• Deploy with Docker
• Binary installation
• Source installation

Docker-compose for Answer

$ mkdir answer && cd answer
$ wget https://raw.githubusercontent.com/answerdev/answer/main/docker-compose.yaml
$ docker-compose up

In browser, open URL http://127.0.0.1:9080/.

You can log in with the default administrator username (admin@admin.com) and password (admin).

Docker for Answer

Visit Docker Hub or GitHub Container registry to see all available images and tags.

Usage

To persist data beyond the life of a Docker container, use a volume (/var/data -> /data). You can modify this based on your situation.

# Pull image from Docker Hub.
$ docker pull answerdev/answer:latest

# Create local directory for volume.
$ mkdir -p /var/data

# Run the image first
$ docker run --name=answer -p 9080:80 -v /var/data:/data answerdev/answer

# After successful first startup, a configuration file will be generated in the /var/data directory
# /var/data/conf/config.yaml
# Need to modify the Mysql database address in the configuration file
vim /var/data/conf/config.yaml

# Modify database connection
# connection: [username]:[password]@tcp([host]:[port])/[DbName]
...

# After configuring the configuration file, you can start the container again to start the service
$ docker start answer

Install Answer using binary

1. Unzip the compressed package
2. Use the command cd to enter the directory you just created
3. Execute the command ./answer init
4. Answer will generate a ./data directory in the current directory
5. Enter the data directory and modify the config.yaml file
6. Modify the database connection identify your database connection information connection: [username]:[password]@tcp([host]:[port])/[DbName]
7. Use cd .. to return the directory from step 2, and execute ./answer run -c ./data/conf/config.yaml

Available Commands

Usage: answer [command]

• help: Help about any command
• init: Init answer application
• run: Run answer application
• check: Check answer required environment
• dump: Backup answer data

config.yaml Description

Here is a sample/default config.yaml file, as would be created from answer init.

server:
  http:
    addr: 0.0.0.0:80 #Project access port number
data:
  database:
    connection: root:root@tcp(127.0.0.1:3306)/answer #MySQL database connection address
  cache:
    file_path: "/tmp/cache/cache.db" #Cache file storage path
i18n:
  bundle_dir: "/data/i18n" #Internationalized file storage directory
swaggerui:
  show: true #Whether to display the swaggerapi documentation, address /swagger/index.html
  protocol: http #swagger protocol header
  host: 127.0.0.1 #An accessible IP address or domain name
  address: ':80'  #accessible port number
service_config:
  secret_key: "answer" #encryption key
  web_host: "http://127.0.0.1" #Page access using domain name address
  upload_path: "./upfiles" #upload directory

Compile the image

If you have modified the source files and want to repackage the image, you can use the following to repackage the image

docker build -t  answer:v1.0.0 .

common problem

1. The project cannot be started: the main program startup depends on proper configuraiton of the configuration file, config.yaml, as well as the internationalization translation directory (i18n), and the upload file storage directory (upfiles). Ensure that the configuration file is loaded when the project starts, such as when using answer run -c config.yaml and that the config.yaml correctly specifies the i18n and upfiles directories.