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Docker Compose local development with wildcard DNS for multi-domain development
version: '3'
# vcap.me is a wildcard domain that resolves to localhost
# in case you need to pass URL's around from browser to
# containers this could help you get around localhost problem
services:
# use www.vcap.me to access web containter from host
# use api.vcap.me to access api container from host
proxy:
image: nginx
volumes:
- ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
ports:
- '80:80'
# web can talk to api directly via api.vcap.me
web:
image: httpd
volumes:
- ./web:/usr/local/apache2/htdocs/
# maybe your web container needs to access api container
# but use a URL fed to it by browser on host
# this will re-map the DNS to prevent localhost
# note this doesn't work in Swarm, only for local dev
external_links:
- api:api.vcap.me
api:
image: httpd
volumes:
- ./api:/usr/local/apache2/htdocs/
server {
server_name www.vcap.me;
location ~ {
proxy_pass http://web;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Host $server_name;
}
}
server {
server_name api.vcap.me;
location ~ {
proxy_pass http://api;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Host $server_name;
}
}
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