feat: add PostgreSQL/MongoDB Images and fix multiarch (#40)

add PostgreSQL/MongoDB Images and fixes multi-arch builds for MariaDB, Redis.

mongodb/4/Dockerfile

@@ -0,0 +1,19 @@
+# ----------------------------------
+# Environment: MongoDB
+# ----------------------------------
+FROM        --platform=$TARGETOS/$TARGETARCH mongo:4-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"]

mongodb/5/Dockerfile

@@ -0,0 +1,19 @@
+# ----------------------------------
+# Environment: MongoDB
+# ----------------------------------
+FROM        --platform=$TARGETOS/$TARGETARCH mongo:5-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"]

mongodb/entrypoint.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+cd /home/container
+
+# Make internal Docker IP address available to processes.
+export INTERNAL_IP=`ip route get 1 | awk '{print $NF;exit}'`
+
+# Replace Startup Variables
+MODIFIED_STARTUP=$(echo ${STARTUP} | sed -e 's/{{/${/g' -e 's/}}/}/g')
+echo ":/home/container$ ${MODIFIED_STARTUP}"
+
+# Run the Server
+eval ${MODIFIED_STARTUP}