feat(deploy): prepare.sh + config templates, migrate env to deploy/, gitignore rendered outputs

deploy/prepare.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+# 渲染 deploy/templates/*.tpl → deploy/nginx、deploy/redis,并创建运行所需目录。
+# 约定:每次 up 之前(或改模板/.env 后)必须重跑本脚本。幂等,可反复执行。
+set -eu
+cd "$(dirname "$0")"
+
+if [ -f .env ]; then
+  set -a; . ./.env; set +a
+fi
+
+NGINX_CLIENT_MAX_BODY_SIZE=${NGINX_CLIENT_MAX_BODY_SIZE:-200m}
+REDIS_MAXMEMORY=${REDIS_MAXMEMORY:-128mb}
+REDIS_MAXMEMORY_POLICY=${REDIS_MAXMEMORY_POLICY:-allkeys-lru}
+
+for t in templates/nginx.conf.tpl templates/default.conf.tpl templates/redis.conf.tpl; do
+  [ -f "$t" ] || { echo "prepare.sh: missing template $t" >&2; exit 1; }
+done
+
+mkdir -p nginx/conf.d redis logs/nginx api/storage
+
+sed -e "s|{{NGINX_CLIENT_MAX_BODY_SIZE}}|${NGINX_CLIENT_MAX_BODY_SIZE}|g" \
+  templates/nginx.conf.tpl > nginx/nginx.conf
+sed -e "s|{{NGINX_CLIENT_MAX_BODY_SIZE}}|${NGINX_CLIENT_MAX_BODY_SIZE}|g" \
+  templates/default.conf.tpl > nginx/conf.d/default.conf
+sed -e "s|{{REDIS_MAXMEMORY}}|${REDIS_MAXMEMORY}|g" \
+  -e "s|{{REDIS_MAXMEMORY_POLICY}}|${REDIS_MAXMEMORY_POLICY}|g" \
+  templates/redis.conf.tpl > redis/redis.conf
+
+echo "prepare.sh: rendered nginx($(pwd)/nginx), redis($(pwd)/redis), logs($(pwd)/logs/nginx), storage($(pwd)/api/storage)"