db backups

app/config/config.server.ts

@@ -6,7 +6,15 @@ invariant(
 	`Please define the "INVITATION_TOKEN_SECRET" environment variable`,
 );
 invariant(typeof process.env.SESSION_SECRET === "string", `Please define the "SESSION_SECRET" environment variable`);
-invariant(typeof process.env.AWS_SES_REGION === "string", `Please define the "AWS_SES_REGION" environment variable`);
+invariant(typeof process.env.AWS_REGION === "string", `Please define the "AWS_REGION" environment variable`);
+invariant(
+	typeof process.env.AWS_S3_ACCESS_KEY_ID === "string",
+	`Please define the "AWS_S3_ACCESS_KEY_ID" environment variable`,
+);
+invariant(
+	typeof process.env.AWS_S3_ACCESS_KEY_SECRET === "string",
+	`Please define the "AWS_S3_ACCESS_KEY_SECRET" environment variable`,
+);
 invariant(
 	typeof process.env.AWS_SES_ACCESS_KEY_ID === "string",
 	`Please define the "AWS_SES_ACCESS_KEY_ID" environment variable`,
@@ -41,12 +49,18 @@ export default {
 		sessionSecret: process.env.SESSION_SECRET,
 		encryptionKey: process.env.MASTER_ENCRYPTION_KEY,
 	},
-	awsSes: {
-		awsRegion: process.env.AWS_SES_REGION,
+	aws: {
+		region: process.env.AWS_REGION,
+		ses: {
 			accessKeyId: process.env.AWS_SES_ACCESS_KEY_ID,
 			secretAccessKey: process.env.AWS_SES_ACCESS_KEY_SECRET,
 			fromEmail: process.env.AWS_SES_FROM_EMAIL,
 		},
+		s3: {
+			accessKeyId: process.env.AWS_S3_ACCESS_KEY_ID,
+			secretAccessKey: process.env.AWS_S3_ACCESS_KEY_SECRET,
+		},
+	},
 	fathom: {
 		siteId: process.env.FATHOM_SITE_ID,
 		domain: process.env.FATHOM_CUSTOM_DOMAIN,

app/cron-jobs/daily-backup.ts

@@ -0,0 +1,4 @@
+import { CronJob } from "~/utils/queue.server";
+import backup from "~/utils/backup-db.server";
+
+export default CronJob("daily db backup", () => backup("daily"), "0 0 * * *");

app/cron-jobs/monthly-backup.ts

@@ -0,0 +1,4 @@
+import { CronJob } from "~/utils/queue.server";
+import backup from "~/utils/backup-db.server";
+
+export default CronJob("monthly db backup", () => backup("monthly"), "0 0 1 * *");

app/cron-jobs/weekly-backup.ts

@@ -0,0 +1,4 @@
+import { CronJob } from "~/utils/queue.server";
+import backup from "~/utils/backup-db.server";
+
+export default CronJob("weekly db backup", () => backup("weekly"), "0 0 * * 0");

app/utils/backup-db.server.ts

@@ -0,0 +1,95 @@
+import { spawn } from "child_process";
+import { PassThrough } from "stream";
+
+import logger from "~/utils/logger.server";
+import config from "~/config/config.server";
+import { Credentials, S3 } from "aws-sdk";
+import sendEmail from "~/utils/mailer.server";
+
+const credentials = new Credentials({
+	accessKeyId: config.aws.s3.accessKeyId,
+	secretAccessKey: config.aws.s3.secretAccessKey,
+});
+
+export const s3 = new S3({ region: config.aws.region, credentials });
+
+export default async function backup(schedule: "daily" | "weekly" | "monthly") {
+	const s3Bucket = "shellphone-backups";
+	const { database, host, port, user, password } = parseDatabaseUrl(process.env.DATABASE_URL!);
+	const fileName = `${schedule}-${database}.sql.gz`;
+
+	console.log(`Dumping database ${database}`);
+	const pgDumpChild = spawn("pg_dump", [`-U${user}`, `-d${database}`], {
+		env: {
+			...process.env,
+			PGPASSWORD: password,
+			PGHOST: host,
+			PGPORT: port.toString(),
+		},
+		stdio: ["ignore", "pipe", "inherit"],
+	});
+
+	console.log(`Compressing dump "${fileName}"`);
+	const gzippedDumpStream = new PassThrough();
+	const gzipChild = spawn("gzip", { stdio: ["pipe", "pipe", "inherit"] });
+	gzipChild.on("exit", (code) => {
+		if (code !== 0) {
+			return sendEmail({
+				text: `${schedule} backup failed: gzip: Bad exit code (${code})`,
+				html: `${schedule} backup failed: gzip: Bad exit code (${code})`,
+				subject: `${schedule} backup failed: gzip: Bad exit code (${code})`,
+				recipients: ["error@shellphone.app"],
+			});
+		}
+	});
+	pgDumpChild.stdout.pipe(gzipChild.stdin);
+	gzipChild.stdout.pipe(gzippedDumpStream);
+
+	pgDumpChild.on("exit", (code) => {
+		if (code !== 0) {
+			console.log("pg_dump failed, upload aborted");
+			return sendEmail({
+				text: `${schedule} backup failed: pg_dump: Bad exit code (${code})`,
+				html: `${schedule} backup failed: pg_dump: Bad exit code (${code})`,
+				subject: `${schedule} backup failed: pg_dump: Bad exit code (${code})`,
+				recipients: ["error@shellphone.app"],
+			});
+		}
+
+		console.log(`Uploading "${fileName}" to S3 bucket "${s3Bucket}"`);
+		const uploadPromise = s3
+			.upload({
+				Bucket: s3Bucket,
+				Key: fileName,
+				ACL: "private",
+				ContentType: "text/plain",
+				ContentEncoding: "gzip",
+				Body: gzippedDumpStream,
+			})
+			.promise();
+
+		uploadPromise
+			.then(() => console.log(`Successfully uploaded "${fileName}"`))
+			.catch((error) => {
+				logger.error(error);
+				return sendEmail({
+					text: `${schedule} backup failed: ${error}`,
+					html: `${schedule} backup failed: ${error}`,
+					subject: `${schedule} backup failed: ${error}`,
+					recipients: ["error@shellphone.app"],
+				});
+			});
+	});
+}
+
+function parseDatabaseUrl(databaseUrl: string) {
+	const url = new URL(databaseUrl);
+
+	return {
+		user: url.username,
+		password: url.password,
+		host: url.host,
+		port: Number.parseInt(url.port),
+		database: url.pathname.replace(/^\//, "").replace(/\/$/, ""),
+	} as const;
+}

app/utils/mailer.server.ts

@@ -18,7 +18,7 @@ export default async function sendEmail({ text, html, subject, recipients }: Sen
 		subject,
 		encoding: "UTF-8",
 		to: recipients,
-		from: serverConfig.awsSes.fromEmail,
+		from: serverConfig.aws.ses.fromEmail,
 	};
 
 	if (process.env.NODE_ENV !== "production" || process.env.CI) {
@@ -27,10 +27,10 @@ export default async function sendEmail({ text, html, subject, recipients }: Sen
 
 	const transporter = createTransport({
 		SES: new SES({
-			region: serverConfig.awsSes.awsRegion,
+			region: serverConfig.aws.region,
 			credentials: new Credentials({
-				accessKeyId: serverConfig.awsSes.accessKeyId,
-				secretAccessKey: serverConfig.awsSes.secretAccessKey,
+				accessKeyId: serverConfig.aws.ses.accessKeyId,
+				secretAccessKey: serverConfig.aws.ses.secretAccessKey,
 			}),
 		}),
 	});

fly.toml

@@ -9,7 +9,7 @@ processes = []
 [env]
   APP_BASE_URL = "https://www.shellphone.app"
   AWS_SES_FROM_EMAIL = "\"Mokhtar from Shellphone\" <mokhtar@shellphone.app>"
-  AWS_SES_REGION = "eu-central-1"
+  AWS_REGION = "eu-central-1"
   NODE_ENV = "production"
   PORT = "8080"