Docker Compose for Phoenix + PostgreSQL
An Elixir Phoenix application with PostgreSQL. Highly concurrent and fault-tolerant.
elixir phoenix postgres fullstack
compose.yaml
services:
web:
build: .
ports:
- target: 4000
mode: ingress
environment:
- DATABASE_URL=postgresql://postgres:${POSTGRES_PASSWORD}@db:5432/phoenix
- SECRET_KEY_BASE=${SECRET_KEY_BASE}
- PHX_HOST=example.com
- PORT=4000
healthcheck:
test:
- CMD
- curl
- -f
- http://localhost:4000/
interval: 30s
timeout: 5s
retries: 3
depends_on:
- db
deploy:
resources:
reservations:
cpus: "0.5"
memory: 256M
restart: unless-stopped
db:
image: postgres:16
ports:
- target: 5432
mode: host
environment:
- POSTGRES_DB=phoenix
- POSTGRES_USER=postgres
- POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
healthcheck:
test:
- CMD-SHELL
- pg_isready -U postgres
interval: 10s
timeout: 5s
retries: 5
deploy:
resources:
reservations:
cpus: "0.5"
memory: 256M
restart: unless-stopped
x-defang-postgres: true
Services
- web .
- db postgres:16