Fix ../../data/*.pem path in database URL

Author: benjie

@app/config/extra.js

@@ -1,18 +1,31 @@
 // These are the connection strings for the DB and the test DB.
 // NOTE: in production you probably want to add ?ssl=true to force SSL usage.
 // NOTE: these used to be in `.env` but now it is used by docker-compose we can't use expansions
-process.env.DATABASE_URL =
-  process.env.DATABASE_URL ||
-  `postgres://${process.env.DATABASE_OWNER}:${process.env.DATABASE_OWNER_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}`;
-process.env.AUTH_DATABASE_URL =
-  process.env.AUTH_DATABASE_URL ||
-  `postgres://${process.env.DATABASE_AUTHENTICATOR}:${process.env.DATABASE_AUTHENTICATOR_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}`;
-process.env.SHADOW_DATABASE_URL =
-  process.env.SHADOW_DATABASE_URL ||
-  `postgres://${process.env.DATABASE_OWNER}:${process.env.DATABASE_OWNER_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}_shadow`;
-process.env.SHADOW_AUTH_DATABASE_URL =
-  process.env.SHADOW_AUTH_DATABASE_URL ||
-  `postgres://${process.env.DATABASE_AUTHENTICATOR}:${process.env.DATABASE_AUTHENTICATOR_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}_shadow`;
+const { resolve } = require("path");
+
+function fixFilePaths(connectionString) {
+  // Connection string may contain '../../data/amazon-rds-ca-cert.pem' or
+  // similar; but we might be running it from somewhere other than `@app/*/`
+  // (e.g. maybe `@app/*/dist/`). To solve this, we make the file path concrete
+  // here.
+  return connectionString.replace(
+    /\.\.\/\.\.\/data\//g,
+    resolve(__dirname, "../../data")
+  );
+}
+
+process.env.DATABASE_URL = process.env.DATABASE_URL
+  ? fixFilePaths(process.env.DATABASE_URL)
+  : `postgres://${process.env.DATABASE_OWNER}:${process.env.DATABASE_OWNER_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}`;
+process.env.AUTH_DATABASE_URL = process.env.AUTH_DATABASE_URL
+  ? fixFilePaths(process.env.AUTH_DATABASE_URL)
+  : `postgres://${process.env.DATABASE_AUTHENTICATOR}:${process.env.DATABASE_AUTHENTICATOR_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}`;
+process.env.SHADOW_DATABASE_URL = process.env.SHADOW_DATABASE_URL
+  ? fixFilePaths(process.env.SHADOW_DATABASE_URL)
+  : `postgres://${process.env.DATABASE_OWNER}:${process.env.DATABASE_OWNER_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}_shadow`;
+process.env.SHADOW_AUTH_DATABASE_URL = process.env.SHADOW_AUTH_DATABASE_URL
+  ? fixFilePaths(process.env.SHADOW_AUTH_DATABASE_URL)
+  : `postgres://${process.env.DATABASE_AUTHENTICATOR}:${process.env.DATABASE_AUTHENTICATOR_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}_shadow`;
 
 // Always overwrite test database URL
 process.env.TEST_DATABASE_URL = `postgres://${process.env.DATABASE_OWNER}:${process.env.DATABASE_OWNER_PASSWORD}@${process.env.DATABASE_HOST}/${process.env.DATABASE_NAME}_test`;