Feature: add Docker support

[FjHe]

#63

1. Docker 配置文件（docker/ 目录）

• docker-compose.yml - 定义了三个服务的编排配置：
  • MySQL 数据库服务（包含健康检查、字符集配置）
  • 后端服务（Spring Boot 应用）
  • 前端服务（Vue + Nginx）

2. 文档里添加了docker启动说明
   docs/getting-started.md

---

已测试过：

docker-compose down -v
[+] Running 5/5
 ✔ Container data-agent-frontend  Removed                                                                                                                                                                                      0.0s 
 ✔ Container data-agent-backend   Removed                                                                                                                                                                                      0.6s 
 ✔ Container data-agent-mysql     Removed                                                                                                                                                                                      1.5s 
 ✔ Volume data-agent-mysql        Removed                                                                                                                                                                                      0.0s 
 ✔ Network data-agent-network     Removed                                                                                                                                                                                      0.3s 
(base) PS D:\HKYProject\DataAgent-MaloneTalk\docker> docker-compose up -d --build
[+] Building 1.7s (35/35) FINISHED
 => [internal] load local bake definitions                                                                                                                                                                                     0.0s 
 => => reading from stdin 1.01kB                                                                                                                                                                                               0.0s
 => [backend internal] load build definition from Dockerfile                                                                                                                                                                   0.0s
 => => transferring dockerfile: 975B                                                                                                                                                                                           0.0s 
 => [frontend internal] load build definition from Dockerfile                                                                                                                                                                  0.0s 
 => => transferring dockerfile: 803B                                                                                                                                                                                           0.0s 
 => [frontend internal] load metadata for docker.io/library/node:20-alpine                                                                                                                                                     0.2s 
 => [frontend internal] load metadata for docker.io/library/nginx:alpine                                                                                                                                                       0.2s 
 => [backend internal] load metadata for docker.io/library/eclipse-temurin:17-jre-alpine                                                                                                                                       0.2s 
 => [backend internal] load metadata for docker.io/library/maven:3.9-eclipse-temurin-17                                                                                                                                        0.2s 
 => [backend internal] load .dockerignore                                                                                                                                                                                      0.0s
 => => transferring context: 709B                                                                                                                                                                                              0.0s 
 => [backend internal] load build context                                                                                                                                                                                      0.0s 
 => => transferring context: 27.19kB                                                                                                                                                                                           0.0s 
 => [backend builder 1/6] FROM docker.io/library/maven:3.9-eclipse-temurin-17@sha256:4015718012bbf1113ec6cfae2b950be328d90265ceb60f92b26c3ea7c4d14ee8                                                                          0.0s 
 => => resolve docker.io/library/maven:3.9-eclipse-temurin-17@sha256:4015718012bbf1113ec6cfae2b950be328d90265ceb60f92b26c3ea7c4d14ee8                                                                                          0.0s 
 => [backend stage-1 1/6] FROM docker.io/library/eclipse-temurin:17-jre-alpine@sha256:02320dd4ce20e243dfb915c686089cf9315c763084fafbb12d5c9993aee18b57                                                                         0.0s 
 => => resolve docker.io/library/eclipse-temurin:17-jre-alpine@sha256:02320dd4ce20e243dfb915c686089cf9315c763084fafbb12d5c9993aee18b57                                                                                         0.0s 
 => [frontend builder 1/6] FROM docker.io/library/node:20-alpine@sha256:fb4cd12c85ee03686f6af5362a0b0d56d50c58a04632e6c0fb8363f609372293                                                                                       0.0s 
 => => resolve docker.io/library/node:20-alpine@sha256:fb4cd12c85ee03686f6af5362a0b0d56d50c58a04632e6c0fb8363f609372293                                                                                                        0.0s 
 => [frontend stage-1 1/3] FROM docker.io/library/nginx:alpine@sha256:4a73073bd557c65b759505da037898b61f1be6cbcc3c2c3aeac22d2a470c1752                                                                                         0.0s 
 => => resolve docker.io/library/nginx:alpine@sha256:4a73073bd557c65b759505da037898b61f1be6cbcc3c2c3aeac22d2a470c1752                                                                                                          0.0s
 => [frontend internal] load build context                                                                                                                                                                                     0.9s 
 => => transferring context: 1.81MB                                                                                                                                                                                            0.8s 
 => CACHED [backend stage-1 2/6] WORKDIR /app                                                                                                                                                                                  0.0s 
 => CACHED [backend stage-1 3/6] RUN mkdir -p /app/skills                                                                                                                                                                      0.0s 
 => CACHED [backend stage-1 4/6] RUN addgroup -g 1001 appgroup &&     adduser -u 1001 -G appgroup -D appuser                                                                                                                   0.0s 
 => CACHED [backend builder 2/6] WORKDIR /app                                                                                                                                                                                  0.0s 
 => CACHED [backend builder 3/6] COPY data-agent-backend/pom.xml .                                                                                                                                                             0.0s 
 => CACHED [backend builder 4/6] RUN mvn dependency:go-offline -B                                                                                                                                                              0.0s 
 => CACHED [backend builder 5/6] COPY data-agent-backend/src ./src                                                                                                                                                             0.0s 
 => CACHED [backend builder 6/6] RUN mvn clean package -DskipTests -B                                                                                                                                                          0.0s 
 => CACHED [backend stage-1 5/6] COPY --from=builder /app/target/*.jar app.jar                                                                                                                                                 0.0s 
 => CACHED [backend stage-1 6/6] RUN mkdir -p /app/logs && chown -R appuser:appgroup /app                                                                                                                                      0.0s 
 => [backend] exporting to image                                                                                                                                                                                               0.2s 
 => => exporting layers                                                                                                                                                                                                        0.0s 
 => => exporting manifest sha256:33053230d8a68830c6ce862dfa476699d0cbd9aeacf8cf86454b542e344a5fac                                                                                                                              0.0s 
 => => exporting config sha256:2d481a7b0924872f9055dde07cff6b189fbeefe53cf557a3312db7fbaf96a038                                                                                                                                0.0s 
 => => exporting attestation manifest sha256:17092eacda3fc54f83628967584bd9f1a8e82363a56426eeda0a9edf6f784dfa                                                                                                                  0.0s 
 => => exporting manifest list sha256:6fe1f2d865a8623199f490068cae569dc56af606b6ce1864e92da20f93ae9ff3                                                                                                                         0.0s 
 => => naming to docker.io/library/docker-backend:latest                                                                                                                                                                       0.0s 
 => => unpacking to docker.io/library/docker-backend:latest                                                                                                                                                                    0.0s 
 => [backend] resolving provenance for metadata file                                                                                                                                                                           0.0s 
 => CACHED [frontend stage-1 2/3] COPY docker/frontend/nginx.conf /etc/nginx/nginx.conf                                                                                                                                        0.0s 
 => CACHED [frontend builder 2/6] WORKDIR /app                                                                                                                                                                                 0.0s 
 => CACHED [frontend builder 4/6] COPY data-agent-frontend/ .                                                                                                                                                                  0.0s 
 => CACHED [frontend builder 5/6] RUN pnpm install --frozen-lockfile                                                                                                                                                           0.0s 
 => CACHED [frontend builder 6/6] RUN pnpm vite build                                                                                                                                                                          0.0s 
 => CACHED [frontend stage-1 3/3] COPY --from=builder /app/dist /usr/share/nginx/html                                                                                                                                          0.0s 
 => [frontend] exporting to image                                                                                                                                                                                              0.1s 
 => => exporting attestation manifest sha256:7e9d1593131321ecfbc2856c4688ca53160c328688e380db7ab00c44b798c504                                                                                                                  0.0s 
 => => exporting manifest list sha256:c7a83c5d9ac6c9e3706361261834bacc94ac4593b508a64edfc211c54de1cabd                                                                                                                         0.0s 
 => => naming to docker.io/library/docker-frontend:latest                                                                                                                                                                      0.0s 
 => => unpacking to docker.io/library/docker-frontend:latest                                                                                                                                                                   0.0s 
 => [frontend] resolving provenance for metadata file                                                                                                                                                                          0.0s 
[+] Running 7/7
 ✔ docker-frontend                Built                                                                                                                                                                                        0.0s 
 ✔ docker-backend                 Built                                                                                                                                                                                        0.0s 
 ✔ Network data-agent-network     Created                                                                                                                                                                                      0.0s 
 ✔ Volume "data-agent-mysql"      Created                                                                                                                                                                                      0.0s 
 ✔ Container data-agent-mysql     Healthy                                                                                                                                                                                     11.0s 
 ✔ Container data-agent-backend   Healthy                                                                                                                                                                                     41.5s 
 ✔ Container data-agent-frontend  Started  

[github-actions]

Thank you for your contribution! We will review your request as soon as possible. Please review the code yourself using ponytail https://github.com/DietrichGebert/ponytail.

[lzq986]

感谢贡献，稍后我们看下