#!/usr/bin/env sh

# /usr/local/bin/node-entry

set -eu

APP_DIR="${APP_DIR:-/app}"

cd "$APP_DIR"

###############################################################################

# Default runtime logs

###############################################################################

: "${NODE_LOG_ENABLED:=1}"

: "${NODE_LOG_DIR:=/var/log/node-app}"

: "${NODE_ACCESS_LOG_FILE:=access.log}"

: "${NODE_ERROR_LOG_FILE:=error.log}"

: "${NODE_ACCESS_LOG:=${NODE_LOG_DIR}/${NODE_ACCESS_LOG_FILE}}"

: "${NODE_ERROR_LOG:=${NODE_LOG_DIR}/${NODE_ERROR_LOG_FILE}}"

: "${NODE_KEEPALIVE_ON_FAIL:=1}"

ensure_log_paths() {

mkdir -p "$(dirname "$NODE_ACCESS_LOG")" "$(dirname "$NODE_ERROR_LOG")" 2>/dev/null || true

touch "$NODE_ACCESS_LOG" "$NODE_ERROR_LOG" 2>/dev/null || true

}

run_cmd() {

if [ "$NODE_LOG_ENABLED" = "1" ]; then

ensure_log_paths

exec sh -c '

access="$1"

error="$2"

shift 2

exec "$@" >>"$access" 2>>"$error"

' sh "$NODE_ACCESS_LOG" "$NODE_ERROR_LOG" "$@"

fi

exec "$@"

}

try_cmd() {

if [ "$NODE_LOG_ENABLED" = "1" ]; then

ensure_log_paths

"$@" >>"$NODE_ACCESS_LOG" 2>>"$NODE_ERROR_LOG"

else

"$@"

fi

}

has_cmd() {

command -v "$1" >/dev/null 2>&1

}

has_script() {

[ -f package.json ] || return 1

node -e "const p=require('./package.json');process.exit(p.scripts&&p.scripts['$1']?0:1)" 2>/dev/null

}

detect_framework() {

[ -f package.json ] || {

echo generic

return

}

node -e '

const p = require("./package.json");

const deps = { ...(p.dependencies || {}), ...(p.devDependencies || {}) };

if (deps.next) return console.log("next");

if (deps.nuxt || deps.nuxi) return console.log("nuxt");

if (deps["@nestjs/core"] || deps["@nestjs/cli"]) return console.log("nest");

if (deps.vite) return console.log("vite");

console.log("generic");

' 2>/dev/null || echo generic

}

ensure_npm_cache_permissions() {

cache_dir="${NPM_CONFIG_CACHE:-$HOME/.npm}"

mkdir -p "$cache_dir" 2>/dev/null || true

if command -v sudo >/dev/null 2>&1; then

sudo chown -R "$(id -u):$(id -g)" "$cache_dir" 2>/dev/null || true

else

chown -R "$(id -u):$(id -g)" "$cache_dir" 2>/dev/null || true

fi

}

###############################################################################

# Alpine Root CA bootstrap

###############################################################################

ROOTCA="${ROOTCA_PATH:-/etc/share/rootCA/rootCA.pem}"

STAMP="/tmp/.rootca_installed"

if [ -r "$ROOTCA" ]; then

export NODE_EXTRA_CA_CERTS="$ROOTCA"

if [ ! -f "$STAMP" ] && command -v update-ca-certificates >/dev/null 2>&1; then

if command -v sudo >/dev/null 2>&1; then

sudo install -m 0644 "$ROOTCA" /usr/local/share/ca-certificates/rootCA.crt 2>/dev/null || true

sudo update-ca-certificates >/dev/null 2>&1 || true

else

install -m 0644 "$ROOTCA" /usr/local/share/ca-certificates/rootCA.crt 2>/dev/null || true

update-ca-certificates >/dev/null 2>&1 || true

fi

: >"$STAMP" || true

fi

fi

###############################################################################

# Direct command override

###############################################################################

if [ "$#" -gt 0 ]; then

run_cmd "$@"

fi

###############################################################################

# Defaults used by common dev servers

###############################################################################

: "${HOST:=0.0.0.0}"

: "${PORT:=3000}"

: "${NPM_AUDIT:=0}"

: "${NPM_FUND:=0}"

export HOST PORT

npm_flags=""

[ "$NPM_AUDIT" = "1" ] || npm_flags="$npm_flags --no-audit"

[ "$NPM_FUND" = "1" ] || npm_flags="$npm_flags --no-fund"

install_deps() {

[ -f package.json ] || return 0

[ -d node_modules ] && return 0

echo "[node-entry] node_modules not found, installing dependencies..." >&2

ensure_npm_cache_permissions

if [ -f pnpm-lock.yaml ]; then

if has_cmd corepack; then

corepack enable >/dev/null 2>&1 || true

fi

if has_cmd pnpm; then

pnpm install --frozen-lockfile || pnpm install

return 0

fi

fi

if [ -f yarn.lock ]; then

if has_cmd corepack; then

corepack enable >/dev/null 2>&1 || true

fi

if has_cmd yarn; then

yarn install --frozen-lockfile || yarn install

return 0

fi

fi

if [ -f package-lock.json ]; then

npm ci $npm_flags || npm install $npm_flags

return 0

fi

npm install $npm_flags

}

run_dev() {

if ! has_script dev; then

return 0

fi

echo "[node-entry] attempting dev script..." >&2

framework="$(detect_framework)"

case "$framework" in

next)

run_cmd env HOSTNAME="$HOST" npm run dev -- --hostname "$HOST" --port "$PORT"

;;

nuxt)

run_cmd env NUXT_HOST="$HOST" NUXT_PORT="$PORT" npm run dev -- --host "$HOST" --port "$PORT"

;;

vite)

run_cmd npm run dev -- --host "$HOST" --port "$PORT"

;;

nest)

run_cmd npm run dev

;;

*)

if try_cmd npm run dev -- --host "$HOST" --port "$PORT"; then

run_cmd npm run dev -- --host "$HOST" --port "$PORT"

fi

if try_cmd npm run dev; then

run_cmd npm run dev

fi

echo "[node-entry] dev script failed; keeping container alive and trying fallbacks." >&2

;;

esac

}

run_start() {

if has_script start; then

echo "[node-entry] attempting start script..." >&2

run_cmd npm start

fi

}

install_deps || echo "[node-entry] dependency install failed; continuing to fallbacks." >&2

###############################################################################

# Respect explicit NODE_CMD

###############################################################################

if [ -n "${NODE_CMD:-}" ]; then

echo "[node-entry] running custom NODE_CMD..." >&2

run_cmd env \

HOSTNAME="$HOST" \

NUXT_HOST="$HOST" \

NUXT_PORT="$PORT" \

sh -lc "$NODE_CMD"

fi

run_dev

run_start

[ -f server.js ] && run_cmd node server.js

[ -f index.js ] && run_cmd node index.js

echo "[node-entry] No runnable app started." >&2

echo "[node-entry] Checked: npm scripts dev/start, server.js, index.js." >&2

echo "[node-entry] Set NODE_CMD to override, e.g. NODE_CMD='node app.js'." >&2

if [ "$NODE_KEEPALIVE_ON_FAIL" = "1" ]; then

echo "[node-entry] Keeping container alive." >&2

while :; do

sleep 3600

done

fi

exit 1