Setup initial project

docker/mongo/docker-entrypoint-init.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+# Copy the mounted keyfile and set required permissions
+mkdir -p /etc/mongodb
+cp /tmp/mongo-keyfile /etc/mongodb/keyfile
+chmod 400 /etc/mongodb/keyfile
+chown mongodb:mongodb /etc/mongodb/keyfile
+exec docker-entrypoint.sh "$@"

docker/mongo/init-replica.js

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+// MongoDB replica set initialization script
+// Runs on first startup via /docker-entrypoint-initdb.d/
+try {
+  rs.initiate({
+    _id: 'rs0',
+    members: [{ _id: 0, host: 'mongodb:27017' }],
+  });
+  print('Replica set initiated successfully');
+} catch (e) {
+  if (e.codeName === 'AlreadyInitialized') {
+    print('Replica set already initialized');
+  } else {
+    print('Error initiating replica set: ' + e.message);
+  }
+}