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Checkout the latest ngx_brotli and build the dependencies:

git clone --recurse-submodules -j8 https://github.com/google/ngx_brotli
cd ngx_brotli/deps/brotli
mkdir out && cd out
cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DCMAKE_C_FLAGS="-Ofast -m64 -march=native -mtune=native -flto -funroll-loops -ffunction-sections -fdata-sections -Wl,--gc-sections" -DCMAKE_CXX_FLAGS="-Ofast -m64 -march=native -mtune=native -flto -funroll-loops -ffunction-sections -fdata-sections -Wl,--gc-sections" -DCMAKE_INSTALL_PREFIX=./installed ..
cmake --build . --config Release --target brotlienc

nginx编译时增加
--add-module=/path/to/ngx_brotli

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在http部分配置了

add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header X-Content-Type-Options "nosniff" always;

在vhost中配置了

add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";

在nginx documentation 的 Module ngx_http_headers_module 中提到了一段话,大致意思就是,如果当前级别没有定义 add_header 则会继承上一级,如果定义了 add_header 则不会去理会上一级。

There could be several add_header directives. These directives are
inherited from the previous configuration level if and only if there
are no add_header directives defined on the current level.

意味着vhost如果定义了add_header,则不会从主配置中继承,由于子站点配置了HSTS,定义了add_header,所以主配置中的add_header不再生效。

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安装libunwind-dev

apt install libunwind-dev

拉取源代码

git clone https://github.com/gperftools/gperftools.git
./autogen.sh
./configure --enable-frame-pointers --enable-libunwind
make && make install
ldconfig
ln -sf /usr/local/lib/libtcmalloc* /usr/lib/

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