Merge pull request #1 from ricardbejarano/musl-static

statically link musl-based image

README.md

@@ -14,7 +14,7 @@ Available at [`ricardbejarano/haproxy`](https://hub.docker.com/r/ricardbejarano/
 
 ## Features
 
-* Super tiny (`glibc`-based is `~11.6MB` and `musl`-based is `~19.2MB`)
+* Super tiny (`glibc`-based is `~11.6MB` and `musl`-based is `~18.6MB`)
 * Built from source, including libraries
 * Built `FROM scratch`, see the [Filesystem](#Filesystem) section below for an exhaustive list of the image's contents
 * Reduced attack surface (no `bash`, no UNIX tools, no package manager...)
@@ -135,7 +135,7 @@ Based on the [glibc](https://www.gnu.org/software/libc/) implementation of `libc
 
 ### `musl`
 
-Based on the [musl](https://www.musl-libc.org/) implementation of `libc`. Dynamically linked.
+Based on the [musl](https://www.musl-libc.org/) implementation of `libc`. Statically linked (with the exception of `ld-musl-x86_64.so.1`).
 
 ```
 /
@@ -146,11 +146,7 @@ Based on the [musl](https://www.musl-libc.org/) implementation of `libc`. Dynami
 │   └── passwd
 ├── haproxy
 └── lib/
-    ├── ld-musl-x86_64.so.1
-    ├── libcrypto.so.1.1
-    ├── libpcre.so.1
-    ├── libssl.so.1.1
-    └── libz.so.1
+    └── ld-musl-x86_64.so.1
 ```
 
 

musl/Dockerfile

@@ -18,7 +18,7 @@ ARG HAPROXY_CHECKSUM="5e59466728cc3ec0bcdd0271d8a8c5bd07d99a3a9cfa0989583da0ddde
 ARG HAPROXY_CONFIG="\
     -j 4 \
     TARGET=linux2628 \
-    USE_PCRE=1 \
+    USE_STATIC_PCRE=1 \
     USE_ZLIB=1 \
     USE_OPENSSL=1 \
     USE_LUA=1 \
@@ -47,15 +47,15 @@ RUN cd /tmp && \
 
 RUN apk add gcc g++ perl make readline-dev linux-headers && \
     cd /tmp/pcre-$PCRE_VERSION && \
-      ./configure && \
+      ./configure --disable-shared && \
       make && \
       make install && \
     cd /tmp/zlib-$ZLIB_VERSION && \
-      ./configure && \
+      ./configure --static && \
       make && \
       make install && \
     cd /tmp/openssl-$OPENSSL_VERSION && \
-      ./config && \
+      ./config no-shared && \
       make && \
       make install && \
     cd /tmp/lua-$LUA_VERSION && \
@@ -67,10 +67,6 @@ RUN apk add gcc g++ perl make readline-dev linux-headers && \
 FROM scratch
 
 COPY --from=build /lib/ld-musl-x86_64.so.1 \
-                  /usr/local/lib/libpcre.so.1 \
-                  /usr/local/lib/libz.so.1 \
-                  /usr/local/lib/libssl.so.1.1 \
-                  /usr/local/lib/libcrypto.so.1.1 \
                   /lib/
 COPY --from=build /tmp/haproxy/haproxy /haproxy