initial service entrypoint and dockerfile

Author: devinivy

.gitignore

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+node_modules

Dockerfile

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+FROM node:18-alpine as build
+
+# Move files into the image and install
+WORKDIR /app
+COPY ./service ./service
+
+WORKDIR /app/service
+RUN yarn install --production --frozen-lockfile > /dev/null
+
+# Uses assets from build stage to reduce build size
+FROM node:18-alpine
+
+# RUN npm install -g yarn
+RUN apk add --update dumb-init
+
+# Avoid zombie processes, handle signal forwarding
+ENTRYPOINT ["dumb-init", "--"]
+
+WORKDIR /app/service
+COPY --from=build /app /app
+RUN mkdir /app/data && chown node /app/data
+
+VOLUME /app/data
+EXPOSE 3000
+ENV PDS_PORT=3000
+ENV NODE_ENV=production
+
+# https://github.com/nodejs/docker-node/blob/master/docs/BestPractices.md#non-root-user
+USER node
+CMD ["node", "--heapsnapshot-signal=SIGUSR2", "--enable-source-maps", "index.js"]
+
+LABEL org.opencontainers.image.source=https://github.com/bluesky-social/pds
+LABEL org.opencontainers.image.description="ATP Personal Data Server (PDS)"
+LABEL org.opencontainers.image.licenses=MIT

service/index.js

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+"use strict";
+const {
+  PDS,
+  Database,
+  envToCfg,
+  envToSecrets,
+  readEnv,
+} = require("@atproto/pds");
+
+const main = async () => {
+  const env = readEnv();
+  const cfg = envToCfg(env);
+  const secrets = envToSecrets(env);
+  const pds = await PDS.create(cfg, secrets);
+  if (cfg.db.dialect === "pg") {
+    // Migrate using credentialed user
+    const migrateDb = Database.postgres({
+      url: cfg.db.migrationUrl,
+      schema: cfg.db.schema,
+    });
+    await migrateDb.migrateToLatestOrThrow();
+    await migrateDb.close();
+  } else {
+    await pds.ctx.db.migrateToLatestOrThrow();
+  }
+  await pds.start();
+  // Graceful shutdown (see also https://aws.amazon.com/blogs/containers/graceful-shutdowns-with-ecs/)
+  process.on("SIGTERM", async () => {
+    await pds.destroy();
+  });
+};
+
+main();

service/package.json

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+{
+  "name": "pds",
+  "private": true,
+  "version": "0.0.0",
+  "description": "Service entrypoint for atproto personal data server",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "@atproto/pds": "0.2.0-beta.0"
+  }
+}