Nextcloud with FFmpeg and Network Tools

Dockerfile

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+FROM nextcloud:latest
+
+# Switch to root (Default is usually root, but good to be explicit for installation)
+USER root
+
+# 1. Install Dependencies
+# We combine your media tools (ffmpeg, imagemagick) with the network tools (ifupdown, iproute2)
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    ffmpeg \
+    imagemagick \
+    ghostscript \
+    ifupdown \
+    iproute2 \
+    iputils-ping \
+    nano \
+    && rm -rf /var/lib/apt/lists/*
+
+# 2. Apply your permissions fix
+RUN chown www-data:www-data /usr/local/etc/php/conf.d/
+
+# 3. Add Networking Script
+COPY start_network.sh /start_network.sh
+RUN chmod +x /start_network.sh
+
+# 4. Entrypoint
+# We DO NOT switch to USER www-data here.
+# We stay as root so start_network.sh can configure the IP address.
+ENTRYPOINT ["/start_network.sh"]

start_network.sh

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+#!/bin/bash
+
+# --- CONFIGURATION ---
+IP=${STATIC_IP:-"192.168.0.120/24"}
+GW=${STATIC_GW:-"192.168.0.1"}
+DNS=${STATIC_DNS:-"192.168.0.113"}
+
+echo "--- Nextcloud Network Init ---"
+echo "Using IP: $IP"
+
+# 1. Generate Network Config
+cat <<EOF > /etc/network/interfaces
+auto lo
+iface lo inet loopback
+
+auto eth0
+iface eth0 inet static
+    address $IP
+    gateway $GW
+EOF
+
+# 2. Set DNS
+echo "nameserver $DNS" > /etc/resolv.conf
+
+# 3. Start Network
+sleep 5
+ifup eth0
+
+# 4. Launch Nextcloud
+echo "--- Starting Nextcloud Entrypoint ---"
+# This official script handles the user switch to www-data automatically
+exec /entrypoint.sh apache2-foreground