Final Docker images are very big about docker-bitcoind HOT 9 CLOSED

$ docker run --rm -it --entrypoint='sh' lncm/bitcoind:v0.18.1 -c 'find -L /opt/bitcoin-0.18.1/  -type f  ! -path "*_bitcoin*"  -exec ldd {} \; 2>/dev/null' | sort | cut -d '(' -f1 | uniq -c | sort -nr | tr -s ' ' | awk '{ print "  " $1 "  " $NF }'
  7  /usr/lib/libstdc++.so.6
  7  /usr/lib/libgcc_s.so.1
  7  /lib/ld-musl-x86_64.so.1
  7  /lib/ld-musl-x86_64.so.1
  4  /lib/libcrypto.so.43
  4  /usr/lib/libboost_thread.so.1.69.0
  4  /usr/lib/libboost_filesystem.so.1.69.0
  4  /usr/lib/libboost_chrono.so.1.69.0
  2  /usr/lib/libevent-2.1.so.6
  1  /usr/lib/libzmq.so.5
  1  /usr/lib/libsodium.so.23
  1  /usr/lib/libevent_pthreads-2.1.so.6

$ cat /tmp/bitcoind_libs.txt| xargs -I% sh -c "docker run --rm -i --entrypoint='sh' alpine:3.10 -c 'ls %'"
ls: /usr/lib/libstdc++.so.6: No such file or directory
ls: /usr/lib/libgcc_s.so.1: No such file or directory
/lib/ld-musl-x86_64.so.1
ls: /lib/libcrypto.so.43: No such file or directory
ls: /usr/lib/libboost_thread.so.1.69.0: No such file or directory
ls: /usr/lib/libboost_filesystem.so.1.69.0: No such file or directory
ls: /usr/lib/libboost_chrono.so.1.69.0: No such file or directory
ls: /usr/lib/libevent-2.1.so.6: No such file or directory
ls: /usr/lib/libzmq.so.5: No such file or directory
ls: /usr/lib/libsodium.so.23: No such file or directory
ls: /usr/lib/libevent_pthreads-2.1.so.6: No such file or directory

$ Sending build context to Docker daemon  2.048kB
Step 1/2 : FROM alpine:3.10
 ---> 961769676411
Step 2/2 : RUN sed -i 's|http://dl-cdn.alpinelinux.org|https://alpine.global.ssl.fastly.net|g' /etc/apk/repositories &&     apk add --no-cache libressl libstdc++ boost-thread boost-chrono boost-filesystem libevent libsodium libzmq
 ---> Running in 036cdb7b9289
fetch https://alpine.global.ssl.fastly.net/alpine/v3.10/main/x86_64/APKINDEX.tar.gz
fetch https://alpine.global.ssl.fastly.net/alpine/v3.10/community/x86_64/APKINDEX.tar.gz
(1/12) Installing libgcc (8.3.0-r0)
(2/12) Installing boost-chrono (1.69.0-r4)
(3/12) Installing boost-filesystem (1.69.0-r4)
(4/12) Installing boost-thread (1.69.0-r4)
(5/12) Installing libevent (2.1.10-r0)
(6/12) Installing libressl2.7-libcrypto (2.7.5-r0)
(7/12) Installing libressl2.7-libssl (2.7.5-r0)
(8/12) Installing libressl2.7-libtls (2.7.5-r0)
(9/12) Installing libressl (2.7.5-r0)
(10/12) Installing libsodium (1.0.18-r0)
(11/12) Installing libstdc++ (8.3.0-r0)
(12/12) Installing libzmq (4.3.2-r1)
Executing busybox-1.30.1-r2.trigger
OK: 12 MiB in 26 packages
Removing intermediate container 036cdb7b9289
 ---> 31d9086bd591
Successfully built 31d9086bd591
Successfully tagged min-alpine:with-deps

$ cat /tmp/bitcoind_libs.txt | xargs -I% sh -c "docker run --rm -i --entrypoint='sh' min-alpine:with-deps -c 'ls %'"
/usr/lib/libstdc++.so.6
/usr/lib/libgcc_s.so.1
/lib/ld-musl-x86_64.so.1
/lib/libcrypto.so.43
/usr/lib/libboost_thread.so.1.69.0
/usr/lib/libboost_filesystem.so.1.69.0
/usr/lib/libboost_chrono.so.1.69.0
/usr/lib/libevent-2.1.so.6
/usr/lib/libzmq.so.5
/usr/lib/libsodium.so.23
/usr/lib/libevent_pthreads-2.1.so.6

$ docker images min-alpine
REPOSITORY          TAG                 IMAGE ID            CREATED              SIZE
min-alpine          with-deps           31d9086bd591        About a minute ago   11.4MB
min-alpine          old-way-3.9         f5f88463702d        6 minutes ago        19.5MB
min-alpine          old-way             f6130dd916c0        9 minutes ago        142MB
min-alpine          vanilla             961769676411        6 weeks ago          5.58MB