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‎.env.example‎

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DOPPLER_TOKEN=
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POSTGRES_PASSWORD=
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POSTGRES_USER=
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TUNNEL_TOKEN=
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MINIO_ROOT_USER=
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MINIO_ROOT_PASSWORD=

‎.gitignore‎

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.idea
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.env
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node_modules
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*.iml

‎Dockerfile‎

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FROM node:18-alpine3.18
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RUN wget -q -t3 'https://packages.doppler.com/public/cli/rsa.8004D9FF50437357.key' -O /etc/apk/keys/cli@doppler-8004D9FF50437357.rsa.pub && \
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echo 'https://packages.doppler.com/public/cli/alpine/any-version/main' | tee -a /etc/apk/repositories && \
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apk add doppler
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WORKDIR /apiserver
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COPY .. .
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RUN yarn
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RUN yarn build
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EXPOSE 8787
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CMD ["doppler", "run", "--", "yarn", "runserver"]

‎docker-compose.yml‎

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services:
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tunnel:
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image: cloudflare/cloudflared:latest
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restart: unless-stopped
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command: "tunnel run"
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volumes:
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- ./data/cloudflared:/etc/cloudflared
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env_file:
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- .env
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networks:
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- webnet
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rpcavatar:
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build: .
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container_name: "rpcavatar"
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restart: unless-stopped
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env_file:
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- .env
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ports:
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- 8787:8787
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networks:
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- webnet
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db:
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image: postgres:alpine
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restart: unless-stopped
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env_file:
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- .env
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ports:
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- 5432:5432
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volumes:
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- ./data/postgres_data:/var/lib/postgresql/data
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networks:
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- webnet
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adminer:
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image: adminer
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restart: always
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ports:
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- 8087:8080
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networks:
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- webnet
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minio:
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image: minio/minio:latest
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container_name: minio
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environment:
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- MINIO_ROOT_USER=minioadmin
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- MINIO_ROOT_PASSWORD=minioadmin
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ports:
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- "9001:9001"
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volumes:
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- ./data/minio:/data
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command: server /data --console-address ":9001"
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networks:
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- webnet
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networks:
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webnet:

‎license.md‎

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MIT License
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Copyright (c) 2025 HypherionSA
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎package.json‎

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{
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"name": "rpc-image-server",
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"version": "1.0.0",
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"description": "A relay server to allow local files to be used as icons in Discord RPCs",
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"author": "HypherionSA",
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"license": "MIT",
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"private": true,
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"scripts": {
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"lint": "eslint .",
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"lint:fix": "eslint --fix .",
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"format": "prettier --write 'src/**/*.ts'",
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"devserver": "ts-node -r dotenv/config ./src/index.ts",
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"build": "tsc",
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"runserver": "node -r dotenv/config dist/index.js"
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},
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"dependencies": {
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"@hono/node-server": "^1.14.0",
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"@mikro-orm/core": "^6.4.12",
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"@mikro-orm/postgresql": "^6.4.12",
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"aws-sdk": "^2.1692.0",
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"dotenv": "^16.4.7",
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"file-type": "^20.4.1",
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"hono": "^4.7.6",
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"minio": "^8.0.5",
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"sharp": "^0.34.1",
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"ts-node": "^10.9.2"
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},
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"devDependencies": {
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"@types/minio": "^7.1.1",
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"@types/node": "^22.14.0",
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"typescript": "^5.8.3"
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},
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"packageManager": "yarn@1.22.22+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
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}

‎readme.md‎

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### RPCRelay Server
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An experimental project to allow discord RPC mods like Simple RPC use local images, as RPC icons.
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***
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### TODO: Fill this out with self-hosting information

‎src/cleanup.ts‎

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import Database from './const/database';
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import { EntityManager } from '@mikro-orm/core';
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import { FileHashes } from './database/filehashes';
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import { S3Storage } from './storage';
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const storage = new S3Storage();
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/**
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* Cleanup logic, to remove images after 7 days. This is just to save on storage
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*/
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export class Cleanup {
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/**
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* Register Cleanup Job, that runs once every 24 hours
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*/
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public startCleanupJob() {
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const DAY_IN_MS = 1000 * 60 * 60 * 24;
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setInterval(async () => {
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try {
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await this.deleteOldImages();
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} catch (e) {}
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}, DAY_IN_MS)
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}
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/**
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* Clean up the images from both MINIO (or S3 in the future), and the database
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* @private
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*/
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private async deleteOldImages() {
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const sevenDaysAgo = new Date(Date.now() - 7 * 24 * 60 * 60 * 1000)
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const db = await Database.getInstance()
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const em: EntityManager = db.em
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const hashes = await em.findAll(FileHashes)
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if (hashes.length > 0) {
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for (let i = 0; i < hashes.length; i++) {
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const hash = hashes[i];
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if (hash.uploadedAt < sevenDaysAgo) {
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em.remove(hash);
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await storage.deleteFile(hash.cdnUrl);
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}
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}
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}
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await em.flush()
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}
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}

‎src/const/database.ts‎

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import { MikroORM } from '@mikro-orm/core';
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import config from '../mikro-orm.config';
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/**
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* Database Client Initialization
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*/
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class Database {
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private static instance: MikroORM;
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public static async getInstance(): Promise<MikroORM> {
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if (!Database.instance || !await Database.instance.isConnected()) {
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Database.instance = await MikroORM.init(config);
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}
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return Database.instance;
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}
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}
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export default Database;

‎src/const/environment.ts‎

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/**
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* Environment Variables
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*/
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export default {
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postgresql: {
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host: process.env.DATABASE_HOST || '127.0.0.1',
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database: process.env.DATABASE_NAME || 'rpc',
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username: process.env.DATABASE_USER || 'rpc',
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password: process.env.DATABASE_PASSWORD || 'rpc',
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port: process.env.DATABASE_PORT || 5432,
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},
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bucket: {
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url: process.env.S3_HOST || '127.0.0.1',
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accessKey: process.env.S3_ACCESSKEY || 'minioadmin',
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secret: process.env.S3_SECRET || 'minioadmin',
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bucketName: process.env.S3_BUCKET || 'rpc2',
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},
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running_env: process.env.ENV || 'dev',
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};

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