add mongodb 6

mongodb/6/Dockerfile

@@ -0,0 +1,19 @@
+# ----------------------------------
+# Environment: MongoDB
+# ----------------------------------
+FROM        --platform=$TARGETOS/$TARGETARCH mongo:6-focal
+
+LABEL       author="Michael Parker" maintainer="parker@pterodactyl.io"
+
+ENV         DEBIAN_FRONTEND noninteractive
+
+RUN         apt update -y \
+            && apt install -y netcat iproute2 \
+            && useradd -d /home/container -m container -s /bin/bash
+
+USER        container
+ENV         USER=container HOME=/home/container
+WORKDIR     /home/container
+
+COPY        ./entrypoint.sh /entrypoint.sh
+CMD ["/bin/bash", "/entrypoint.sh"]