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cheeyeo/mongo-init.js

Last active March 10, 2026 15:36
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Mongodb Replicaset docker compose template
Raw
mongo-init.js
db = db.getSiblingDB(process.env.MONGO_INITDB_DATABASE);
db.createUser({
user: process.env.MONGO_USER,
pwd: process.env.MONGO_PASSWORD,
roles: [{
role: 'readWrite',
db: process.env.MONGO_INITDB_DATABASE,
}]
});
db.createCollection("uploads", {changeStreamPreAndPostImages: { enabled: true }});
Raw
mongo-setup.sh
#!/usr/bin/env bash
# Wait until the mongo-master responds
until mongosh --host mongo1 -u ${MONGO_DB_ROOT_USERNAME} -p ${MONGO_DB_ROOT_PASSWORD} --eval "db.adminCommand('ping')" > /dev/null 2>&1; do
sleep 2
done
echo "mongo1 is ready. Initiating replica set..."
mongosh --host mongo1 -u ${MONGO_DB_ROOT_USERNAME} -p ${MONGO_DB_ROOT_PASSWORD} --eval "try { rs.status() } catch (err) { rs.initiate({_id:'rs0',members:[{_id:0,host:'mongo1:27017',priority:2},{_id:1,host:'mongo2:27017',priority:1},{_id:2,host:'mongo3:27017',priority:1}]});}"
Raw
mongodb-compose.yml
services:
mongo-1:
env_file: .env
container_name: 'mongo1'
entrypoint: >
/bin/bash -c '
openssl rand -base64 756 > /data/keyfile.key &&
chmod 400 /data/keyfile.key &&
chown mongodb:mongodb /data/keyfile.key &&
/usr/local/bin/docker-entrypoint.sh mongod --replSet rs0 --keyFile /data/keyfile.key --bind_ip localhost,mongo1'
image: 'mongo:latest'
ports:
- 27017:27017
environment:
- MONGO_INITDB_ROOT_USERNAME=${MONGO_DB_ROOT_USERNAME}
- MONGO_INITDB_ROOT_PASSWORD=${MONGO_DB_ROOT_PASSWORD}
- MONGO_INITDB_DATABASE=fastapiuploads
- MONGO_USER=${MONGO_DB_USER}
- MONGO_PASSWORD=${MONGO_DB_PASSWORD}
volumes:
- 'mongo1data:/data/db'
- 'mongo1config:/data/configdb'
- 'sharedconfig:/data'
- ./scripts/docker/mongo:/docker-entrypoint-initdb.d
healthcheck:
test: mongosh
-u $${MONGO_INITDB_ROOT_USERNAME}
-p $${MONGO_INITDB_ROOT_PASSWORD}
--eval "db.runCommand("ping").ok" | mongosh --port 27017 --quiet
interval: 30s
timeout: 10s
retries: 5
networks:
- mynetwork
restart: unless-stopped
mongo-2:
container_name: "mongo2"
image: 'mongo:latest'
ports:
- 27018:27017
volumes:
- 'mongo2data:/data/db'
- 'mongo2config:/data/configdb'
- 'sharedconfig:/data'
command: ["--replSet", "rs0", "--bind_ip", "localhost,mongo2", "--port", "27017", "--keyFile", "/data/keyfile.key"]
networks:
- mynetwork
restart: unless-stopped
mongo-3:
container_name: "mongo3"
image: 'mongo:latest'
ports:
- 27019:27017
volumes:
- 'mongo3data:/data/db'
- 'mongo3config:/data/configdb'
- 'sharedconfig:/data'
command: ["--replSet", "rs0", "--bind_ip", "localhost,mongo3", "--port", "27017", "--keyFile", "/data/keyfile.key"]
networks:
- mynetwork
restart: unless-stopped
mongo-setup:
image: mongo:latest
env_file: .env
depends_on:
- mongo-1
- mongo-2
- mongo-3
volumes:
- ./mongo-setup.sh:/mongo-setup.sh
entrypoint: ["bash", "/mongo-setup.sh"]
networks:
- mynetwork
mongo-express:
image: mongo-express
env_file: .env
restart: always
ports:
- 8081:8081
networks:
- "mynetwork"
environment:
ME_CONFIG_MONGODB_URL: mongodb://${MONGO_DB_ROOT_USERNAME}:${MONGO_DB_ROOT_PASSWORD}@mongo1:27017,mongo2:27017,mongo3:27017/?authSource=admin
ME_CONFIG_BASICAUTH_ENABLED: true
ME_CONFIG_BASICAUTH_USERNAME: mongoexpressuser
ME_CONFIG_BASICAUTH_PASSWORD: mongoexpresspass
volumes:
mongo1data:
mongo1config:
mongo2data:
mongo2config:
mongo3data:
mongo3config:
sharedconfig:
networks:
mynetwork:
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