Curl PHP 无法连接到 Docker 容器内的本地主机

Question

我的 Docker-compose.yml 是：

version: '3.8'
services:
    app:
        build:
            context: .
            dockerfile: ./docker/app/Dockerfile
        command: bash -c "
            if [ ! -d /var/www/vendor ]         ; then  composer install --no-interaction                    ;  fi  &&
            if [ ! -f /var/www/.env ]           ; then  composer env-set                                     ;  fi  &&
            if [ ! -d /var/www/node_modules ]   ; then  npm install  &&  npm install chokidar && npm run dev ;  fi  &&
            if [ ! -d /var/www/public/storage ] ; then  php /var/www/artisan storage:link                    ;  fi &&
            php /var/www/artisan octane:start --no-interaction --host=0.0.0.0 --port=8000 --watch &&
            bash /var/www/docker/scheduler/run.sh
            "
        volumes:
            - .:/var/www
            - ./docker/app/php-settings.ini:/etc/php/8.3/cli/conf.d/php-settings.ini
            - ./docker/app/xdebug.ini:/etc/php/8.3/cli/conf.d/20-xdebug.ini
        working_dir: /var/www
        depends_on:
            - database
        ports:
           - "9010:9003"
        restart: unless-stopped
        extra_hosts:
            - "host.docker.internal:host-gateway"

    nginx:
        image: nginx:alpine
        ports:
            - '${APP_PORT:-80}:80'
        volumes:
            - .:/var/www
            # RoadRunner
            - ./docker/nginx/roadrunner.conf:/etc/nginx/conf.d/default.conf
        depends_on:
            - app
        restart: unless-stopped

    database:
        image: postgres:alpine
        ports:
            - '${FORWARD_DB_PORT:-5432}:5432'
        volumes:
            - db_data:/var/lib/postgresql/data
        environment:
            POSTGRES_DB: ${DB_DATABASE:-devices}
            POSTGRES_USER: ${DB_USERNAME:-root}
            POSTGRES_PASSWORD: ${DB_PASSWORD:-password}
        restart: unless-stopped

    influx:
        image: influxdb:latest
        ports:
            - '${INFLUXDB_PORT:-8086}:8086'
        environment:
            DOCKER_INFLUXDB_INIT_MODE: setup
            DOCKER_INFLUXDB_INIT_USERNAME: ${INFLUXDB_USERNAME:-influx}
            DOCKER_INFLUXDB_INIT_PASSWORD: ${INFLUXDB_PASSWORD:-password}
            DOCKER_INFLUXDB_INIT_ORG: influx
            DOCKER_INFLUXDB_INIT_BUCKET: influx
            DOCKER_INFLUXDB_INIT_ADMIN_TOKEN: ${INFLUXDB_TOKEN:-tsb8f_gfi-dpo86qFaD58MRAIBadSWXLjL2orRMwkciE3Cit7Y_-lbSrqEvqhzU7XZ8ksxqhSWf4-KQs1CTG8A==}
        depends_on:
            - app
        restart: unless-stopped
        networks:
            - web
volumes:
    db_data:

networks:
    web:
        external: true

当我尝试通过操作系统curl作为

curl --location 'http://localhost:8086/api/v2' --header "Authorization: Token ${INFLUXDB_TOKEN}

进行连接时 - 一切都结束了。

当我尝试在 PHP 中使用相同的方法时：

$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'http://localhost:8086/api/v2');
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_PORT, 8086);
curl_setopt($curl, CURLOPT_HTTPHEADER, [
    "Authorization: Token token_here"
]);
$out = curl_exec($curl);
return curl_errno($curl);

...然后我总是收到 CURL 7 错误。

发现这个问题正是 Docker 的本质：http://localhost:8086 ((

将 URL 更改为 http://influx:8086 时 - 得到 CURL 6。

如何通过 PHP CURL 使用 Docker 容器？

Answer 1

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