install-chromium-alpine.sh•2.86 kB
#!/bin/sh
# Alpine-only: install minimal system deps + chromium, prune assets, and report sizes
set -e
echo "🔧 Installing minimal Chromium runtime (Alpine)"
# --- Config ---
CHROMIUM_BIN="/usr/bin/chromium-browser"
CHROMIUM_DIR="/usr/lib/chromium"
# --- Guard: Alpine only ---
if [ ! -f /etc/alpine-release ]; then
echo "❌ This script targets Alpine Linux only."
exit 1
fi
# --- Install system deps + chromium ---
echo "📦 apk add chromium + minimal deps"
apk add --no-cache \
chromium \
nss \
ca-certificates \
freetype \
harfbuzz \
ttf-liberation
update-ca-certificates || true
# --- Size snapshot (pre-prune) ---
echo "📏 Sizes before pruning:"
if [ -x "$CHROMIUM_BIN" ]; then
echo " - $(ls -lh "$CHROMIUM_BIN" | awk '{print $5" "$9}')"
fi
if [ -d "$CHROMIUM_DIR" ]; then
du -sh "$CHROMIUM_DIR" 2>/dev/null | sed 's/^/ - /'
fi
# --- Prune Chromium payload ---
if [ -d "$CHROMIUM_DIR" ]; then
echo "🧹 Pruning Chromium assets in $CHROMIUM_DIR"
# 1) Locales — keep only en-US if available
if [ -d "$CHROMIUM_DIR/locales" ]; then
if [ -f "$CHROMIUM_DIR/locales/en-US.pak" ]; then
mv "$CHROMIUM_DIR/locales/en-US.pak" /tmp/keep-locale.pak
rm -rf "$CHROMIUM_DIR/locales"/*
mkdir -p "$CHROMIUM_DIR/locales"
mv /tmp/keep-locale.pak "$CHROMIUM_DIR/locales/en-US.pak"
echo " • kept locale: en-US"
else
echo " • locale en-US not found, skipping locale prune"
fi
fi
# 2) Remove heavy, non-essential directories for headless auth
rm -rf \
"$CHROMIUM_DIR/swiftshader" \
"$CHROMIUM_DIR/extensions" \
"$CHROMIUM_DIR/MEIPreload" 2>/dev/null || true
# 3) Drop hi-DPI resource packs; keep defaults
if [ -d "$CHROMIUM_DIR/resources" ]; then
find "$CHROMIUM_DIR/resources" -type f -name "*-200-percent.pak" -delete || true
find "$CHROMIUM_DIR/resources" -type f -name "*-300-percent.pak" -delete || true
fi
# 4) Clean any leftover debug/tests if present (defensive)
find "$CHROMIUM_DIR" -type d -name "test*" -prune -exec rm -rf {} + 2>/dev/null || true
fi
# --- Size snapshot (post-prune) ---
echo "📏 Sizes after pruning:"
if [ -x "$CHROMIUM_BIN" ]; then
echo " - $(ls -lh "$CHROMIUM_BIN" | awk '{print $5" "$9}')"
fi
if [ -d "$CHROMIUM_DIR" ]; then
du -sh "$CHROMIUM_DIR" 2>/dev/null | sed 's/^/ - /'
fi
# --- Package-level info (useful when debugging layer size) ---
echo "ℹ️ apk package sizes:"
apk info -s chromium 2>/dev/null | sed 's/^/ - /' || true
apk info -s nss 2>/dev/null | sed 's/^/ - /' || true
apk info -s freetype 2>/dev/null | sed 's/^/ - /' || true
apk info -s harfbuzz 2>/dev/null | sed 's/^/ - /' || true
apk info -s ttf-liberation 2>/dev/null | sed 's/^/ - /' || true
echo "✅ Done. Chromium at: $CHROMIUM_BIN"
echo " Suggested flags: --headless=new --no-sandbox --disable-dev-shm-usage"