resource-watch/proxy

const Koa = require('koa');
const koaLogger = require('koa-logger');
const config = require('config');
const koaSimpleHealthCheck = require('koa-simple-healthcheck');
const { koaBody } = require('koa-body');
const { RWAPIMicroservice } = require('rw-api-microservice-node');
const ErrorSerializer = require('serializers/error.serializer');
const loader = require('loader');
const logger = require('logger');

const app = new Koa();

app.use(koaBody({
    multipart: true,
    jsonLimit: '50mb',
    formLimit: '50mb',
    textLimit: '50mb'
}));

// catch errors and send in jsonapi standard. Always return vnd.api+json
app.use(async (ctx, next) => {
    try {
        await next();
    } catch (inErr) {
        let error = inErr;
        try {
            error = JSON.parse(inErr);
        } catch (e) {
            logger.debug('Could not parse error message - is it JSON?: ', inErr);
            error = inErr;
        }
        ctx.status = error.status || ctx.status || 500;
        if (ctx.status >= 500) {
            logger.error(error);
        } else {
            logger.info(error);
        }

        ctx.body = ErrorSerializer.serializeError(ctx.status, error.message);
        if (process.env.NODE_ENV === 'prod' && ctx.status === 500) {
            ctx.body = 'Unexpected error';
        }
        ctx.response.type = 'application/vnd.api+json';
    }
});

app.use(koaSimpleHealthCheck());
app.use(koaLogger());

app.use(RWAPIMicroservice.bootstrap({
    logger,
    gatewayURL: process.env.GATEWAY_URL,
    microserviceToken: process.env.MICROSERVICE_TOKEN,
    fastlyEnabled: process.env.FASTLY_ENABLED,
    fastlyServiceId: process.env.FASTLY_SERVICEID,
    fastlyAPIKey: process.env.FASTLY_APIKEY,
    requireAPIKey: process.env.REQUIRE_API_KEY || true,
    awsRegion: process.env.AWS_REGION,
    awsCloudWatchLogStreamName: config.get('service.name'),
    awsCloudWatchLoggingEnabled: process.env.AWS_CLOUD_WATCH_LOGGING_ENABLED || true,
}));

loader.loadRoutes(app);

const port = process.env.PORT || '3000';

const server = app.listen(port, () => {
    logger.info('Server started in ', port);
});

module.exports = server;