diff --git a/README.md b/README.md index d1f437b..27fe23b 100644 --- a/README.md +++ b/README.md @@ -5,18 +5,27 @@ Available at [`ricardbejarano/nginx`](https://hub.docker.com/r/ricardbejarano/nginx). +[`1.15.8-glibc`, `1.15.8`, `glibc`, `latest` *(glibc/Dockerfile)*](https://github.com/ricardbejarano/nginx/blob/master/glibc/Dockerfile) +[`1.15.8-musl`, `musl` *(glibc/Dockerfile)*](https://github.com/ricardbejarano/nginx/blob/master/musl/Dockerfile) + + ## Features -* Super tiny (only `13.7MB`) +* Super tiny (`:glibc` is `16.4MB` and `:musl` is `15.6MB`) * Built from source, including libraries * Based on `scratch`, see the [Filesystem](#Filesystem) section below for an exhaustive list of the image's contents * Included [TLS1.3](https://tools.ietf.org/html/rfc8446) protocol support (with [OpenSSL](https://www.openssl.org/)) * Included [brotli](https://github.com/google/brotli) compression support (with [ngx_brotli](https://github.com/google/ngx_brotli)) +* Reduced attack surface (no `bash`, no UNIX tools, no package manager...) ## Filesystem -The image's contents are: +The images' contents are: + +### `glibc` + +Based on the [glibc](https://www.gnu.org/software/libc/) implementation of `libc`. ``` / @@ -40,6 +49,30 @@ The image's contents are: └── tmp/ ``` +### `musl` + +Based on the [musl](https://www.musl-libc.org/) implementation of `libc`. + +``` +/ +├── etc/ +│ ├── group +│ ├── nginx/ +│ │ ├── html/ +│ │ │ ├── 50x.html +│ │ │ └── index.html +│ │ ├── mime.types +│ │ └── nginx.conf +│ └── passwd +├── lib/ +│ ├── ld-musl-x86_64.so.1 +│ └── libssl.so.1.1 +├── nginx +└── tmp/ + └── .keep +``` + + ## License See [LICENSE](https://github.com/ricardbejarano/nginx/blob/master/LICENSE). diff --git a/musl/Dockerfile b/musl/Dockerfile new file mode 100644 index 0000000..bb866d8 --- /dev/null +++ b/musl/Dockerfile @@ -0,0 +1,70 @@ +FROM alpine:3.9 AS build + +ARG PCRE_VERSION="8.42" +ARG PCRE_CHECKSUM="69acbc2fbdefb955d42a4c606dfde800c2885711d2979e356c0636efde9ec3b5" + +ARG ZLIB_VERSION="1.2.11" +ARG ZLIB_CHECKSUM="c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1" + +ARG OPENSSL_VERSION="1.1.1a" +ARG OPENSSL_CHECKSUM="fc20130f8b7cbd2fb918b2f14e2f429e109c31ddd0fb38fc5d71d9ffed3f9f41" + +ARG NGINX_VERSION="1.15.8" +ARG NGINX_CHECKSUM="a8bdafbca87eb99813ae4fcac1ad0875bf725ce19eb265d28268c309b2b40787" +ARG NGINX_CONFIG="\ + --sbin-path=/nginx \ + --conf-path=/etc/nginx/nginx.conf \ + --pid-path=/tmp/nginx.pid \ + --http-log-path=/dev/stdout \ + --error-log-path=/dev/stdout \ + --http-client-body-temp-path=/tmp/client_temp \ + --http-proxy-temp-path=/tmp/proxy_temp \ + --http-fastcgi-temp-path=/tmp/fastcgi_temp \ + --http-uwsgi-temp-path=/tmp/uwsgi_temp \ + --http-scgi-temp-path=/tmp/scgi_temp \ + --with-pcre=/tmp/pcre-$PCRE_VERSION \ + --with-openssl=/tmp/openssl-$OPENSSL_VERSION \ + --with-zlib=/tmp/zlib-$ZLIB_VERSION \ + --with-file-aio \ + --with-http_ssl_module \ + --with-http_v2_module \ + --with-stream \ + --with-stream_ssl_module \ + --with-threads \ + --add-module=/tmp/ngx_brotli" + +ADD https://ftp.pcre.org/pub/pcre/pcre-$PCRE_VERSION.tar.gz /tmp/pcre.tar.gz +ADD https://www.openssl.org/source/openssl-$OPENSSL_VERSION.tar.gz /tmp/openssl.tar.gz +ADD https://zlib.net/zlib-$ZLIB_VERSION.tar.gz /tmp/zlib.tar.gz +ADD https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz /tmp/nginx.tar.gz + +WORKDIR /tmp +RUN if [ "$PCRE_CHECKSUM" != "$(sha256sum /tmp/pcre.tar.gz | awk '{print $1}')" ]; then exit 1; fi && \ + tar xf /tmp/pcre.tar.gz && \ + if [ "$ZLIB_CHECKSUM" != "$(sha256sum /tmp/zlib.tar.gz | awk '{print $1}')" ]; then exit 1; fi && \ + tar xf /tmp/zlib.tar.gz && \ + if [ "$OPENSSL_CHECKSUM" != "$(sha256sum /tmp/openssl.tar.gz | awk '{print $1}')" ]; then exit 1; fi && \ + tar xf /tmp/openssl.tar.gz && \ + if [ "$NGINX_CHECKSUM" != "$(sha256sum /tmp/nginx.tar.gz | awk '{print $1}')" ]; then exit 1; fi && \ + tar xf /tmp/nginx.tar.gz && \ + mv /tmp/nginx-$NGINX_VERSION /tmp/nginx + +WORKDIR /tmp/nginx +RUN apk add git gcc g++ perl make linux-headers && \ + git clone --recurse-submodules https://github.com/google/ngx_brotli.git /tmp/ngx_brotli && \ + ./configure $NGINX_CONFIG && \ + make + + +FROM scratch + +COPY rootfs / + +COPY --from=build /lib/ld-musl-x86_64.so.1 \ + /lib/libssl.so.1.1 \ + /lib/ +COPY --from=build /tmp/nginx/objs/nginx /nginx + +STOPSIGNAL SIGTERM + +ENTRYPOINT ["/nginx", "-g", "daemon off;"]