swarmproxy/docker-compose.yml

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version: "3.8"
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# Setting up 3 default networks to act as dummy:
# - backend : internal only network
# - dmz : dmz network with connections allowed from internal and external
# - egress : dummy egress zone with fake upstream proxy
networks:
egress:
attachable: true
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dmz:
attachable: true
backend:
internal: true
services:
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# Creating a fake upstream proxy
upstream:
image: gitea.ocram85.com/ocram85/swarmproxy:latest
deploy:
replicas: 1
environment:
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- LOGLEVEL=Info
networks:
egress:
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aliases:
- upstream
# Creating our swarmproxy instance to use the external upstream proxy
swarmproxy:
# Do not use the `latest` tag in production!
image: gitea.ocram85.com/ocram85/swarmproxy:latest
depends_on:
- upstream
deploy:
replicas: 1
environment:
- UPSTREAM_PROXY=upstream:8888
- LOGLEVEL=Info
networks:
dmz:
aliases:
- swarmproxy
- proxy
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egress:
# container workload example whicht tries to communicate through our swarmproxy instance
# http request / response:
# [curl container] <---|req/res|---> [swarmproxy] <---|req/res|---> [upstream] <---|req/res|---> [target]
curl:
image: curlimages/curl:8.1.2
command: ["-I", "-x", "proxy:8888", "https://google.com"]
depends_on:
- upstream
- swarmproxy
deploy:
replicas: 1
restart_policy:
condition: any
delay: 10s
max_attempts: 5
window: 120s
networks:
- backend
- dmz