FROM ubuntu-mygcc:V1 WORKDIR /usr/local/lib COPY lib* /usr/local/lib COPY /usr/local/bin/sqlite3 /usr/local/bin ENV LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH.报错COPY failed: no source files were specified

这个Dockerfile的错误在于COPY指令没有指定源文件，因此会报错。你需要在COPY指令中指定源文件的路径和目标路径，例如：

FROM ubuntu-mygcc:V1 
WORKDIR /usr/local/lib 
COPY lib* /usr/local/lib/ 
COPY sqlite3 /usr/local/bin/ 
ENV LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH

这个Dockerfile将当前目录下的所有以"lib"开头的文件复制到/usr/local/lib目录下，将sqlite3文件复制到/usr/local/bin目录下，并设置LD_LIBRARY_PATH环境变量。

相关问题

我想将frontend 也是用volumes，将其映射到/app/frontend目录，在/app/frontend下install以及build，如何实现 docker-compose.yml文件： version: '3' services: frontend: build: context: ./frontend dockerfile: Dockerfile ports: - 8010:80 restart: always backend: build: context: ./backend dockerfile: Dockerfile volumes: - /app/backend:/app environment: - CELERY_BROKER_URL=redis://redis:6379/0 command: python manage.py runserver 0.0.0.0:8000 ports: - 8011:8000 restart: always celery-worker: build: context: ./backend dockerfile: Dockerfile volumes: - /app/backend:/app environment: - CELERY_BROKER_URL=redis://redis:6379/0 command: celery -A server worker -l info --pool=solo --concurrency=1 depends_on: - redis - backend restart: always celery-beat: build: context: ./backend dockerfile: Dockerfile volumes: - /app/backend:/app environment: - CELERY_BROKER_URL=redis://redis:6379/0 command: celery -A server beat -l info --scheduler django_celery_beat.schedulers:DatabaseScheduler depends_on: - redis - backend restart: always redis: image: redis:latest ports: - 6379:6379 restart: always mysql: image: mysql:latest environment: - MYSQL_ROOT_PASSWORD=sacfxSql258147@ ports: - 8016:3306 volumes: - ./mysql:/var/lib/mysql restart: always frontend：dockerfile文件 FROM node:16.18.1 WORKDIR /app/frontend COPY package*.json ./ RUN npm install COPY . . RUN npm run build:prod FROM nginx:latest COPY --from=0 /app/frontend/dist/ /usr/share/nginx/html EXPOSE 80 CMD ["nginx", "-g", "daemon off;"]

要将前端的代码映射到容器内的`/app/frontend`目录，并在容器内进行安装和构建，可以通过在`docker-compose.yml`文件中为`frontend`服务添加一个卷来实现。更新后的`docker-compose.yml`文件如下所示：

version: '3'
services:
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
    ports:
      - 8010:80
    volumes:
      - ./frontend:/app/frontend
    restart: always

  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    volumes:
      - /app/backend:/app
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
    command: python manage.py runserver 0.0.0.0:8000
    ports:
      - 8011:8000
    restart: always

  celery-worker:
    build:
      context: ./backend
      dockerfile: Dockerfile
    volumes:
      - /app/backend:/app
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
    command: celery -A server worker -l info --pool=solo --concurrency=1
    depends_on:
      - redis
      - backend
    restart: always

  celery-beat:
    build:
      context: ./backend
      dockerfile: Dockerfile
    volumes:
      - /app/backend:/app
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
    command: celery -A server beat -l info --scheduler django_celery_beat.schedulers:DatabaseScheduler
    depends_on:
      - redis
      - backend
    restart: always

  redis:
    image: redis:latest
    ports:
      - 6379:6379
    restart: always

  mysql:
    image: mysql:latest
    environment:
      - MYSQL_ROOT_PASSWORD=sacfxSql258147@
    ports:
      - 8016:3306
    volumes:
      - ./mysql:/var/lib/mysql
    restart: always

这样，将会把本地的`./frontend`目录映射到容器内的`/app/frontend`目录。然后，在容器内部构建过程中，使用`/app/frontend`目录中的代码进行安装和构建。

请注意，这里假设`docker-compose.yml`文件和`frontend`目录在同一级目录下。如果不是，请相应调整`volumes`中的路径。

我的代码跟docker-compose.yml文件放在/app目录下 /app/frontend存放前端代码 /app/backend存放后端代码 我想直接在/app/frontend直接install跟build再拷贝到容器内，如何实现 docker-compose.yml文件： version: '3' services: frontend: build: context: ./frontend dockerfile: Dockerfile ports: - 8010:80 restart: always backend: build: context: ./backend dockerfile: Dockerfile volumes: - /app/backend:/app environment: - CELERY_BROKER_URL=redis://redis:6379/0 command: python manage.py runserver 0.0.0.0:8000 ports: - 8011:8000 restart: always celery-worker: build: context: ./backend dockerfile: Dockerfile volumes: - /app/backend:/app environment: - CELERY_BROKER_URL=redis://redis:6379/0 command: celery -A server worker -l info --pool=solo --concurrency=1 depends_on: - redis - backend restart: always celery-beat: build: context: ./backend dockerfile: Dockerfile volumes: - /app/backend:/app environment: - CELERY_BROKER_URL=redis://redis:6379/0 command: celery -A server beat -l info --scheduler django_celery_beat.schedulers:DatabaseScheduler depends_on: - redis - backend restart: always redis: image: redis:latest ports: - 6379:6379 restart: always mysql: image: mysql:latest environment: - MYSQL_ROOT_PASSWORD=sacfxSql258147@ ports: - 8016:3306 volumes: - ./mysql:/var/lib/mysql restart: always frontend：dockerfile文件： FROM node:16.18.1 WORKDIR /app/frontend COPY package*.json ./ RUN npm install COPY . . RUN npm run build:prod FROM nginx:latest COPY --from=0 /app/frontend/dist/ /usr/share/nginx/html EXPOSE 80 CMD ["nginx", "-g", "daemon off;"]

要直接在 `/app/frontend` 目录内进行安装和构建，并将构建后的文件拷贝到容器内，你可以使用以下方法来实现。

首先，在 `docker-compose.yml` 文件中，将 `frontend` 服务的 `volumes` 部分修改如下：

version: '3'
services:
  frontend:
    build:
      context: .
      dockerfile: frontend/Dockerfile
    ports:
      - 8010:80
    volumes:
      - ./frontend:/app/frontend
    restart: always

然后，在 `frontend` 的 `Dockerfile` 文件中，进行相应的修改：

FROM node:16.18.1

WORKDIR /app/frontend

COPY package*.json ./

RUN npm install

RUN npm run build:prod

FROM nginx:latest

COPY --from=0 /app/frontend/dist/ /usr/share/nginx/html

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]

现在，当你使用 `docker-compose up` 启动容器时，它将会将本地的 `/app/frontend` 目录映射到容器内的 `/app/frontend` 目录，并在容器内部进行安装和构建操作。

请注意，这里假设 `docker-compose.yml` 文件和 `frontend` 目录以及 `backend` 目录都在同一级目录下的 `/app` 目录中。如果不是，请相应调整 `docker-compose.yml` 和 `Dockerfile` 中的路径。