Dockerize postgraphile

postgraphile/.dockerignore

@@ -0,0 +1,7 @@
+package-lock.json
+yarn.lock
+node_modules
+Dockerfile
+README.md
+spec
+.dockerignore

postgraphile/Dockerfile

@@ -0,0 +1,9 @@
+FROM mhart/alpine-node:10
+RUN apk --update --no-cache add make g++ python findutils postgresql-dev
+
+WORKDIR /app
+COPY . /app
+run yarn install
+RUN ["./node_modules/typescript/bin/tsc"]
+EXPOSE 3000
+CMD ["node", "/app/build/dist/src/index.js"]

postgraphile/README.md

@@ -2,6 +2,18 @@
 
 This application utilizes Postgraphile to expose GraphQL endpoints for exposure of the varied data that VulcanizeDB tracks.
 
+## Docker use
+_Note: currently this image is ~500MB large (unpacked)_
+
+Build the docker image in this directory. Start the `GraphiQL` frontend by:
+* Setting the env variables for the database connection: `DATABASE_HOST`,
+  `DATABASE_NAME`, `DATABASE_USER`, `DATABASE_PASSWORD` (and optionally
+  `DATABASE_PORT` if running on non-standard port).
+  * The specified user needs to be `superuser` on the vulcanizeDB database
+* Run the container (ex. `docker run -e DATABASE_HOST=localhost -e DATABASE_NAME=vulcanize_public -e DATABASE_USER=vulcanize -e DATABASE_PASSWORD=vulcanize -d postgraphile:latest`)
+* GraphiQL is available at `:3000/graphiql`
+
+
 ## Building
 
 *This application assumes the use of the [Yarn package manager](https://yarnpkg.com/en/). The use of npm may produce unexpected results.*
@@ -16,4 +28,4 @@ Provide the built bundle to node as a runnable script: `node ./build/dist/vulcan
 
 ## Testing
 
-Tests are executed via Jasmine with a console reporter via the `yarn test` task.
+Tests are executed via Jasmine with a console reporter via the `yarn test` task.

postgraphile/package.json

@@ -22,22 +22,22 @@
   "homepage": "https://github.com/vulcanize/vulcanizedb",
   "dependencies": {
     "express-session": "1.15.6",
+    "graphql-subscriptions": "0.5.8",
     "lodash": "4.17.10",
     "passport": "0.4.0",
+    "pg": "6.4.2",
     "pg-native": "3.0.0",
     "postgraphile": "4.0.0-rc.4",
-    "graphql-subscriptions": "0.5.8",
     "subscriptions-transport-ws": "0.9.14",
-    "toml": "2.3.3",
-    "pg": "6.4.2"
+    "toml": "2.3.3"
   },
   "devDependencies": {
-    "@types/graphql": "^0.13.4",
     "@types/express": "4.16.0",
     "@types/express-session": "1.15.10",
+    "@types/graphql": "^0.13.4",
     "@types/jasmine": "2.8.8",
     "@types/lodash": "4.14.116",
-    "@types/node": "10.9.3",
+    "@types/node": "^10.12.21",
     "@types/passport": "0.4.6",
     "awesome-typescript-loader": "5.2.0",
     "jasmine": "3.2.0",

postgraphile/src/config/parse.ts

@@ -6,34 +6,49 @@ export const MISSING_PATH_MESSAGE = `No path to config toml file provided, `
   + `please check the value of ${CONFIG_PATH_KEY} in your environment`;
 
 export const MISSING_HOST_MESSAGE = 'No database host provided in config toml';
-export const MISSING_DATABASE_MESSAGE = 'No database name provided in config '
-  + 'toml';
+export const MISSING_USER_MESSAGE = 'No database user & password provided in config toml';
+export const MISSING_DATABASE_MESSAGE = 'No database name provided in config toml';
 
 export function parseConfig(
   readCallback: ReadFileSyncCallback,
   tomlParseCallback: TomlParseCallback,
   configPath?: string
 ): DatabaseConfig {
-  if (!configPath || configPath.length < 1) {
-    throw new Error(MISSING_PATH_MESSAGE);
+  let host = '';
+  let port = '';
+  let database = '';
+  let user = '';
+  let password = '';
+
+  if (configPath) {
+      const tomlContents = readCallback(`${configPath}`).toString();
+      const parsedToml = tomlParseCallback(tomlContents);
+
+      host = parsedToml['database']['hostname'];
+      port = parsedToml['database']['port'];
+      database = parsedToml['database']['name'];
+      user = parsedToml['database']['user'];
+      password = parsedToml['database']['password'];
   }
 
-  const tomlContents = readCallback(`${configPath}`).toString();
-  const parsedToml = tomlParseCallback(tomlContents);
+  // Overwrite config values with env. vars if such are set
+  host = process.env.DATABASE_HOST || host;
+  port = process.env.DATABASE_PORT || port;
+  database = process.env.DATABASE_NAME || database;
+  user = process.env.DATABASE_USER || user;
+  password = process.env.DATABASE_PASSWORD || password;
 
-  const host = parsedToml['database']['hostname'];
-  const port = parsedToml['database']['port'];
-  const database = parsedToml['database']['name'];
-  const user = parsedToml['database']['user'] || '';
-  const password = parsedToml['database']['password'] || '';
-
-  if (!host || host.length < 1) {
+  if (!host) {
     throw new Error(MISSING_HOST_MESSAGE);
   }
 
-  if (!database || database.length < 1) {
+  if (!database) {
     throw new Error(MISSING_DATABASE_MESSAGE);
   }
 
+  if (!user || !password) {
+    throw new Error(MISSING_USER_MESSAGE);
+  }
+
   return { host: `postgres://${user}:${password}@${host}:${port}`, database };
 }

postgraphile/yarn.lock

@@ -108,9 +108,10 @@
   version "10.9.4"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.9.4.tgz#0f4cb2dc7c1de6096055357f70179043c33e9897"
 
-"@types/node@10.9.3":
-  version "10.9.3"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.9.3.tgz#85f288502503ade0b3bfc049fe1777b05d0327d5"
+"@types/node@^10.12.21":
+  version "10.12.21"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.21.tgz#7e8a0c34cf29f4e17a36e9bd0ea72d45ba03908e"
+  integrity sha512-CBgLNk4o3XMnqMc0rhb6lc77IwShMEglz05deDcn2lQxyXEZivfwgYJu7SMha9V5XcrP6qZuevTHV/QrN2vjKQ==
 
 "@types/passport@0.4.6":
   version "0.4.6"