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import dotenv from "dotenv";
import express from "express";
import winston from "winston";
import expressWinston from "express-winston";
import path from "path";
dotenv.config();
import routes from "./routes";
import Metadata, { EnvConfig } from "./metadata";
import loggerConfig from "./util/logger";
import {
configOrError,
handleStartup,
handleShutdown,
initializeToken
} from "./util/config";
// Start-up configuration
const BIND_ADDRESS = process.env.BIND_ADDRESS ?? "localhost";
const MONGO_DB = process.env.MONGO_DB ?? "ao-coverage";
const PORT = Number(process.env.PORT ?? 3000);
const MONGO_URI = configOrError("MONGO_URI");
const TARGET_URL = process.env.TARGET_URL ?? "http://localhost:3000";
const ENV_CONFIG: EnvConfig = {
token: process.env.TOKEN ?? initializeToken(),
uploadLimit: Number(process.env.UPLOAD_LIMIT ?? 4194304),
publicDir: path.join(__dirname, "..", "public"),
hostDir: configOrError("HOST_DIR"),
stage1: Number(process.env.STAGE_1 ?? 95),
stage2: Number(process.env.STAGE_2 ?? 80)
};
const logger = winston.createLogger(loggerConfig("ROOT"));
handleStartup(MONGO_URI, ENV_CONFIG, TARGET_URL).then(mongo => {
const app: express.Application = express();
const metadata = new Metadata(mongo.db(MONGO_DB), ENV_CONFIG);
app.use(
expressWinston.logger({
...loggerConfig("HTTP"),
colorize: true,
// filter out token query param from URL
msg:
'{{req.method}} {{req.url.replace(/token=[-\\w.~]*(&*)/, "token=$1")}} - {{res.statusCode}} {{res.responseTime}}ms'
})
);
// actual app routes
app.use(routes(metadata));
app.use(expressWinston.errorLogger(loggerConfig("_ERR")));
const server = app.listen(PORT, BIND_ADDRESS, () => {
logger.info("Express has started: http://%s:%d/", BIND_ADDRESS, PORT);
});
// application exit handling
const signalCodes: NodeJS.Signals[] = ["SIGTERM", "SIGHUP", "SIGINT"];
signalCodes.map((code: NodeJS.Signals) => {
process.on(code, handleShutdown(mongo, server));
});
});
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