feat: Redis 5 and 6 images (#39)

redis/5/Dockerfile

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+# ----------------------------------
+# Environment: redis
+# ----------------------------------
+FROM    redis:5-bullseye
+
+LABEL   author="Michael Parker" maintainer="parker@pterodactyl.io"
+
+ENV     DEBIAN_FRONTEND noninteractive
+
+RUN     apt -y update && \
+        apt -y upgrade && \
+        apt -y install 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"]

redis/6/Dockerfile

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+# ----------------------------------
+# Environment: redis
+# ----------------------------------
+FROM    redis:6-bullseye
+
+LABEL   author="Michael Parker" maintainer="parker@pterodactyl.io"
+
+ENV     DEBIAN_FRONTEND noninteractive
+
+RUN     apt -y update && \
+        apt -y upgrade && \
+        apt -y install 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"]

redis/entrypoint.sh

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+#!/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 -e ${STARTUP} | sed -e 's/{{/${/g' -e 's/}}/}/g')
+echo ":/home/container$ ${MODIFIED_STARTUP}"
+
+# Run the Server
+eval ${MODIFIED_STARTUP}