Unable to run Nginx HTTPS webserver on Docker-CodePudding

I have been trying build a Docker container to set Nginx webserver on my custom domain, e.g. example.com, using SSL. This is my Dockerfile:

FROM node:latest as build-stage
WORKDIR /app
COPY package*.json ./
RUN npm install
COPY ./ .
RUN npm run build

FROM nginx as production-stage
RUN mkdir /app
COPY --from=build-stage /app/dist /app
COPY nginx.conf /etc/nginx/nginx.conf

nginx.conf:

user nginx;
worker_processes 1;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
  worker_connections  1024;
}
http {
  include       /etc/nginx/mime.types;
  default_type  application/octet-stream;
  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';
  access_log  /var/log/nginx/access.log  main;
  sendfile        on;
  keepalive_timeout  65;
  server {
    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
    server_name example.com; # managed by Certbot

    location / {
      root   /app;
      index  index.html;
      try_files $uri $uri/ /index.html;
    }
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
      root   /usr/share/nginx/html;
    }
  }
  server {
    if ($host = example.com) {
      return 301 https://$host$request_uri;
    } # managed by Certbot

    listen 80 ;
    listen [::]:80 ;
    server_name example.com;
    return 404; # managed by Certbot
  }
}

Then:

sudo docker build . -t app
sudo docker run -v /etc/letsencrypt/:/etc/letsencrypt/:ro -d -p 443 app

However, when I visit http://example.com or https://example.com the website shows nothing, and then the connection times out. But when I visit the external IP address xx.xxx.xx.xxx/ the Nginx default page is shown. What am I doing wrong?

CodePudding user response：

There is a nginx installed on host and its listening on port 80. So used another port

docker run -d -p 8080:80 my-app

Then try to access http://example.com:8080 again.

Or shut down nginx on host and use port 80.

CodePudding user response：

Solution was easier than I thought.

First of all, I uninstalled nginx on the host machine, so as to allow connections on port 80 inside the container.

Then, the problem was on the following line, on the port parameter:

sudo docker run -v /etc/letsencrypt/:/etc/letsencrypt/:ro -d -p 443 app

Changed it from -p 443 to -p 80:80 -p 443:443 to enable both HTTP and HTTPS connections, and now it is working properly.