我有一个nextjs
应用程序,该应用程序应该连接到外部MySQL数据库(不是来自同一docker网络的一个数据库)。在本地运行该应用程序时,它在连接到数据库时可以正常工作,但是在Docker容器中运行它时,即使环境变量在容器中配置正确,它仍会继续尝试连接到127.0.0.1
Error: Error: connect ECONNREFUSED 127.0.0.1:3306
nextjs_1 | at connect (/opt/app/node_modules/serverless-mysql/index.js:80:15)
Dockerfile配置:
FROM node:alpine
RUN mkdir -p /opt/app
RUN apk add --no-cache libc6-compat
ENV NODE_ENV production
ENV PORT 3000
EXPOSE 3000
WORKDIR /opt/app
COPY package.json /opt/app
COPY package-lock.json /opt/app
RUN npm install --no-optional
COPY . /opt/app
RUN npm run build
RUN npx next telemetry disable
RUN addgroup -g 1001 -S nodejs
RUN adduser -S nextjs -u 1001
USER nextjs
CMD [ "npm", "start" ]
连接代码:
const mysql = require('serverless-mysql')
const db = mysql({
config: {
host: process.env.MYSQL_HOST,
database: process.env.MYSQL_DATABASE,
user: process.env.MYSQL_USER,
password: process.env.MYSQL_PASSWORD,
},
})
exports.query = async (query) => {
try {
const results = await db.query(query)
await db.end()
return results
} catch (error) {
return { error }
}
}
有什么想法吗?