Add transmission container, update deployments to use local image

Simpler alternative to linuxserver image with same PUID/PGID support.

argocd/manifests/kiwix/deployment.yaml

@@ -53,7 +53,7 @@ spec:
 
         # Sidecar: Syncs declarative ZIM torrents to transmission
         - name: torrent-sync
-          image: lscr.io/linuxserver/transmission:4.0.6  # Has transmission-remote CLI
+          image: registry.ops.eblu.me/blumeops/transmission:v1.0.0
           command: ["/bin/bash", "-c"]
           args:
             - |

argocd/manifests/torrent/deployment.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
         - name: transmission
-          image: lscr.io/linuxserver/transmission:4.0.6
+          image: registry.ops.eblu.me/blumeops/transmission:v1.0.0
           env:
             - name: PUID
               value: "1000"

containers/transmission/Dockerfile

@@ -0,0 +1,28 @@
+# Transmission BitTorrent daemon
+# Simpler alternative to linuxserver image
+
+FROM alpine:3.21
+
+ARG TRANSMISSION_VERSION=4.0.6-r0
+
+RUN apk add --no-cache \
+    transmission-daemon=${TRANSMISSION_VERSION} \
+    transmission-cli=${TRANSMISSION_VERSION} \
+    transmission-remote=${TRANSMISSION_VERSION} \
+    bash \
+    tzdata \
+    su-exec
+
+# Create transmission user
+RUN addgroup -g 1000 transmission && \
+    adduser -D -u 1000 -G transmission transmission && \
+    mkdir -p /config /downloads/complete /downloads/incomplete && \
+    chown -R transmission:transmission /config /downloads
+
+COPY --chmod=755 start.sh /start.sh
+
+EXPOSE 9091 51413/tcp 51413/udp
+
+VOLUME ["/config", "/downloads"]
+
+ENTRYPOINT ["/start.sh"]

containers/transmission/start.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+set -e
+
+# Handle PUID/PGID like linuxserver images
+PUID=${PUID:-1000}
+PGID=${PGID:-1000}
+
+# Update transmission user UID/GID if different from default
+if [ "$PUID" != "1000" ] || [ "$PGID" != "1000" ]; then
+    echo "Updating transmission user to UID=$PUID GID=$PGID"
+    deluser transmission 2>/dev/null || true
+    delgroup transmission 2>/dev/null || true
+    addgroup -g "$PGID" transmission
+    adduser -D -u "$PUID" -G transmission transmission
+fi
+
+# Ensure directories exist with correct ownership
+mkdir -p /config /downloads/complete /downloads/incomplete
+chown -R transmission:transmission /config /downloads
+
+# Create default config if it doesn't exist
+CONFIG_FILE="/config/settings.json"
+if [ ! -f "$CONFIG_FILE" ]; then
+    echo "Creating default configuration..."
+    cat > "$CONFIG_FILE" << 'EOF'
+{
+    "download-dir": "/downloads/complete",
+    "incomplete-dir": "/downloads/incomplete",
+    "incomplete-dir-enabled": true,
+    "rpc-enabled": true,
+    "rpc-bind-address": "0.0.0.0",
+    "rpc-port": 9091,
+    "rpc-whitelist-enabled": false,
+    "rpc-host-whitelist-enabled": false,
+    "peer-port": 51413,
+    "watch-dir-enabled": false,
+    "umask": 2
+}
+EOF
+    chown transmission:transmission "$CONFIG_FILE"
+fi
+
+# Set timezone
+if [ -n "$TZ" ]; then
+    ln -sf "/usr/share/zoneinfo/$TZ" /etc/localtime
+fi
+
+echo "Starting transmission-daemon..."
+exec su-exec transmission transmission-daemon \
+    --foreground \
+    --config-dir /config \
+    --log-level=info