nginx 不提供静态文件

Question

我的应用结构是这样的：

.
├── src
│   └── some go files
├── templates
├── static
    |── images
    |── js
    └── styles

这是我的 Dockerfile:

FROM golang:1.18

WORKDIR /usr/src/app

COPY go.mod .
COPY go.sum .

RUN go mod download

COPY . .

CMD ["go", "run", "src/cmd/main.go"]

这是我的 docker-compose.yml:

version: "3.8"


services:
  pgsql:
    image: postgres
    ports:
      - "5432:5432"
    volumes:
      - todo_pg_db:/var/lib/postgresql/data
    environment:
      - POSTGRES_DB=todo
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres

  app:
    build: .
    ports:
      - "8080"
    restart: always
    depends_on:
      - pgsql

    
  nginx:
    image: nginx
    restart: always
    ports:
      - 801:801
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf


volumes:
  todo_pg_db:

这里是 nginx.conf:

worker_processes auto;
error_log /var/log/nginx/error.log;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include mime.types;
    default_type application/octet-stream;
    access_log /var/log/nginx/access.log;
    sendfile on;

    server {
        listen 801;
        server_name 127.0.0.1;
        charset utf-8;
        keepalive_timeout 5;

        location / {
            # checks for static file, if not found proxy to app
            try_files $uri @backend;
        }

        location @backend {
            # client_max_body_size 10m;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header Host $http_host;
            proxy_redirect off;
            proxy_pass http://app:8080;
        }
    }
}

我的问题是nginx找不到静态文件。
以下是一些示例日志：

open() "/usr/src/app/static/styles/bootstrap.min.css" failed (2: No such file or directory)

但是有这样的目录。当我使用这个命令执行我的 docker 容器时：sudo docker exec -it todo_app_1 bash。然后我 cat 文件的内容，它工作正常！！！

cat /usr/src/app/static/styles/bootstrap.min.css
# output: file content...

我不知道这里出了什么问题。我错过了什么？

Answer 1

我已经使用 volumes:

解决了这个问题

nginx:
  image: nginx
  restart: always
  ports:
    - 801:801
  volumes:
    - ./static:/var/www
    - ./nginx.conf:/etc/nginx/nginx.conf

在nginx.conf中：

location /static {
    alias /var/www;
}

nginx 不提供静态文件

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