
Eu tenho o seguinte docker-compose.yml
arquivo:
version: '3'
services:
server:
build:
context: ../../
dockerfile: ./packages/website/Dockerfile
command: node /cutting/index.js
environment:
PORT: 8000
NODE_ENV: production
restart: always
nginx:
build:
context: ./
dockerfile: ./nginx/Dockerfile
command: tail -f /dev/null
depends_on:
- server
ports:
- "8000:8000"
restart: always
E o seguinte nginx.conf
:
worker_processes 1;
user nobody nogroup;
pid /tmp/nginx.pid;
error_log /tmp/logs/nginx.error.log;
events {
worker_connections 1024;
accept_mutex off;
}
http {
include mime.types;
default_type application/octet-stream;
access_log /tmp/logs/nginx.access.log combined;
sendfile on;
server {
proxy_http_version 1.1; # this is essential for chunked responses to work
listen 80; ## listen for ipv4; this line is default and implied
listen [::]:80 default ipv6only=on; ## listen for ipv6
client_max_body_size 4G;
server_name frontend;
gzip on;
gzip_disable "msie6";
gzip_vary on;
gzip_proxied any;
gzip_comp_level 6;
gzip_buffers 16 8k;
gzip_http_version 1.1;
gzip_types application/javascript text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
keepalive_timeout 5;
location /static/ {
alias /static/;
}
location / {
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host;
# UNCOMMENT LINE BELOW IF THIS IS BEHIND A SSL PROXY
#proxy_set_header X-Forwarded-Proto https;
proxy_redirect off;
proxy_pass http://localhost:8000;
}
}
}
Se isso criar 2 contêineres, como posso fazer com que o nginx veja o localhost:8000 no outro contêiner?
Responder1
Você usa o contêiner name
conforme definido em docker-compose.yml
. O Docker fornece os endereços IP para os contêineres nomeados via DNS dentro de cada contêiner e os atualiza se os contêineres forem atualizados.
Nesse caso, você o chamou server
, então é isso que você usaria.
proxy_pass http://server:8000;
Documentação:Rede no Compose
Responder2
Neste caso, você precisa usar upstream como:
upstream backend {
server express-server:81; #you container/service name
}
e então use:
proxy_pass http://backend