Component

Component section is where you define your Shared Database its container settings, connectivity options, environment variables, and resource requirements.

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Overview

When registering a Shared DB via FluxCloud you’ll add two components:

1. Your DB engine container (e.g. mysql:latest),

2. The Flux Shared DB operator (runonflux/shared-db)

Please follow the configuration for each component carefully.

Field Summary

Component	Field	Notes
DB Engine	Component Name	≥3 chars; alphanumeric only (e.g., mysql)
	Component Description	≥3 chars; free text
	Repository	Docker repo (e.g., mysql:latest)
	Ports, Domains, Cont. Ports	Leave all empty or remove placeholder values
	Environment	Include MYSQL_ROOT_PASSWORD, MYSQL_ROOT_HOST
	Commands	Put ["--disable-log-bin"]
	Cont. Data	Put /var/lib/mysql
	Resources	Set based on performance needs
Shared DB Operator	Component Name	Put operator
	Description	Put operator
	Repository	Use runonflux/shared-db:latest
	Ports	3 random public ports: [31000,31001,31002]
	Domains	Must be ["", "", ""]
	Cont. Ports	Must be [3307,7071,8008]
	Environment	See required & optional vars below
	Commands	Leave empty
	Cont. Data	Put r:/app/dumps
	Resources	Recommended: 1 Core, 1 GB RAM, 2 GB SSD

Field Description

1. DB Engine Component

Component Name

• ≥3 chars; alphanumeric only (no spaces/special chars)

• Example: mysql

Component Description

• ≥3 chars; free text.

• Example: mysql

Repository

Enter the Docker container repository of your DB engine

• Example: mysql:latest

Ports, Domains, Cont. Ports

• Leave all empty brackets []

• If default placeholders like "" exist, delete them

Environment

Insert into the Environment field as a JSON array:

["MYSQL_ROOT_PASSWORD=<YourRootPassword>", "MYSQL_ROOT_HOST=172.0.0.0/255.0.0.0"]

• Explanation of Values:

  • <YourRootPassword>: Root password for your MySQL database

Commands (Optional)

Add to Commands if you'd like to disable binary logs (optional):

• ["--disable-log-bin"]

Cont. Data

• Put /var/lib/mysql

Resources

Specify CPU, RAM, and storage based on your database load.

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Add Another Component

Once you've configured your DB Engine component, you need to add the Flux Shared DB Operator as a second component.

Click “Add Component to Application Composition” at the bottom to continue.

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2. Shared DB Operator Container

Component Name

• Just put operator

Component Description

• Just put operator

Repository

• Must be runonflux/shared-db:latest

Ports

Choose 3 random public ports between 1024–65535. Format them as a JSON array using square brackets, with commas and no spaces:

• ⚠️ Do not use restricted ports: ['16100–16299', '26100–26299', '30000–30099', 22, 23, 25, 123, 161, 512, 513, 3388, 3889, 4444, 5800, 5900, 5901, 8384, 27017]

• Example: [31000,31001,31002]

Domains

• Must be ["","",""]

Cont. Ports

• Must be [3307,7071,8008]

Environment

Fill in required values:

[
  "DB_COMPONENT_NAME=flux<DB_ENGINE_COMPONENT_NAME>_<APPLICATION_NAME>",
  "DB_INIT_PASS=<YourRootPassword>",
  "CLIENT_APPNAME=<APPLICATION_NAME>",
  "DB_APPNAME=<APPLICATION_NAME>",
  "DB_PORT=<FluxPublicPort_1stEntry>",
  "API_PORT=<FluxPublicPort_2ndEntry>",
  "WHITELIST=<CommaSeparatedIPs>"
]

Optional additions:

[
  "INIT_DB_NAME=<InitialDBName>",
  "DB_USER=<Username>"
]

Explanation of Values:

• DB_COMPONENT_NAME: Format using flux<DB_ENGINE_COMPONENT_NAME>_<APPLICATION NAME> (e.g., fluxmysql_mysql01)

  • <DB_ENGINE_COMPONENT_NAME>: the Component Name you chose for your DB engine (e.g. mysql)

  • <APPLICATION_NAME>: your Application Name from Details

• DB_INIT_PASS: Same root password used in Environment for the DB Engine

• CLIENT_APPNAME, DB_APPNAME: Match Application Name from the Details section

• DB_PORT, API_PORT: Match 1st and 2nd entries of the chosen Ports for the DB Engine Component

• WHITELIST: IPs allowed to connect, comma-separated

• INIT_DB_NAME: Initial DB to be created (optional)

• DB_USER: Optional DB user

Example:

[
  "DB_COMPONENT_NAME=fluxmysql_mysql01",
  "DB_INIT_PASS=123secret",
  "CLIENT_APPNAME=mysql01",
  "DB_APPNAME=mysql01",
  "DB_PORT=31000",
  "API_PORT=31001",
  "WHITELIST=<CommaSeparatedIPs>"
]

Commands (Optional)

• Keep Empty

Cont. Data

• Must be r:/app/dumps

Resources

• Recommended: 1 Core, 1 GB RAM, 2 GB SSD

• Adjust up based on expected database traffic.

• Read more about monitoring and scaling in the Monitoring & Update section.

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Once both components are added, continue to the Validate & Pay section to finalize your deployment.