Use alpine docker image instead of debian buster

[jaroslawksiezuk]

No description provided.

[sebastianpopp]

Thank you for your contribution! Is the action faster by using alpine instead of debian? I feel like we should use a fixed version of git-ftp instead of master tho, so things don't stop working with breaking changes in git-ftp. I'll try to test your changes later this week.

[jaroslawksiezuk]

I agree, using git-ftp directly from master branch is not a good idea.

I checked build time by simple command (difference ~ 14 seconds)

time docker build --no-cache .

Results for alpine image:

$ time docker build --no-cache .
Sending build context to Docker daemon    108kB
Step 1/7 : FROM alpine:3.11
 ---> e7d92cdc71fe
Step 2/7 : COPY LICENSE README.md /
 ---> baf66d7a488b
Step 3/7 : RUN apk add --no-cache bash curl git
 ---> Running in 872ea1e96c43
fetch http://dl-cdn.alpinelinux.org/alpine/v3.11/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.11/community/x86_64/APKINDEX.tar.gz
(1/11) Installing ncurses-terminfo-base (6.1_p20200118-r2)
(2/11) Installing ncurses-libs (6.1_p20200118-r2)
(3/11) Installing readline (8.0.1-r0)
(4/11) Installing bash (5.0.11-r1)
Executing bash-5.0.11-r1.post-install
(5/11) Installing ca-certificates (20191127-r1)
(6/11) Installing nghttp2-libs (1.40.0-r0)
(7/11) Installing libcurl (7.67.0-r0)
(8/11) Installing curl (7.67.0-r0)
(9/11) Installing expat (2.2.9-r1)
(10/11) Installing pcre2 (10.34-r1)
(11/11) Installing git (2.24.1-r0)
Executing busybox-1.31.1-r9.trigger
Executing ca-certificates-20191127-r1.trigger
OK: 24 MiB in 25 packages
Removing intermediate container 872ea1e96c43
 ---> 476221304fc0
Step 4/7 : RUN curl https://raw.githubusercontent.com/git-ftp/git-ftp/1.6.0/git-ftp > /bin/git-ftp
 ---> Running in a18e8e1514e7
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 50250  100 50250    0     0  82512      0 --:--:-- --:--:-- --:--:-- 82377
Removing intermediate container a18e8e1514e7
 ---> 3d5d272f3de1
Step 5/7 : RUN chmod 755 /bin/git-ftp
 ---> Running in 742811c2e560
Removing intermediate container 742811c2e560
 ---> 805f1070682d
Step 6/7 : COPY entrypoint.sh /entrypoint.sh
 ---> f911bc1ac19c
Step 7/7 : ENTRYPOINT ["/entrypoint.sh"]
 ---> Running in 9c586e2f86bb
Removing intermediate container 9c586e2f86bb
 ---> c7ac179ce39f
Successfully built c7ac179ce39f

real    0m4.789s
user    0m0.084s
sys     0m0.159s

Results for debian image:

$ time docker build --no-cache .
Sending build context to Docker daemon  118.3kB
Step 1/5 : FROM debian:buster
 ---> 971452c94376
Step 2/5 : COPY LICENSE README.md /
 ---> 60ffbc0f108d
Step 3/5 : RUN apt-get update   && apt-get install -y git-ftp   && rm -rf /var/lib/apt/lists/*
 ---> Running in 62955412c170
Get:2 http://deb.debian.org/debian buster InRelease [122 kB]
Get:1 http://security-cdn.debian.org/debian-security buster/updates InRelease [65.4 kB]
Get:3 http://deb.debian.org/debian buster-updates InRelease [49.3 kB]
Get:4 http://deb.debian.org/debian buster/main amd64 Packages [7907 kB]
Get:5 http://security-cdn.debian.org/debian-security buster/updates/main amd64 Packages [182 kB]
Get:6 http://deb.debian.org/debian buster-updates/main amd64 Packages [7380 B]
Fetched 8332 kB in 4s (2329 kB/s)
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
The following additional packages will be installed:
  ca-certificates curl git git-man krb5-locales less libbsd0 libcurl3-gnutls
  libcurl4 libedit2 liberror-perl libexpat1 libgdbm-compat4 libgdbm6
  libgssapi-krb5-2 libk5crypto3 libkeyutils1 libkrb5-3 libkrb5support0
  libldap-2.4-2 libldap-common libnghttp2-14 libpcre2-8-0 libperl5.28 libpsl5
  librtmp1 libsasl2-2 libsasl2-modules libsasl2-modules-db libssh2-1 libssl1.1
  libx11-6 libx11-data libxau6 libxcb1 libxdmcp6 libxext6 libxmuu1 netbase
  openssh-client openssl patch perl perl-modules-5.28 publicsuffix xauth
Suggested packages:
  gettext-base git-daemon-run | git-daemon-sysvinit git-doc git-el git-email
  git-gui gitk gitweb git-cvs git-mediawiki git-svn gdbm-l10n krb5-doc
  krb5-user sensible-utils libsasl2-modules-gssapi-mit
  | libsasl2-modules-gssapi-heimdal libsasl2-modules-ldap libsasl2-modules-otp
  libsasl2-modules-sql keychain libpam-ssh monkeysphere ssh-askpass ed
  diffutils-doc perl-doc libterm-readline-gnu-perl
  | libterm-readline-perl-perl make libb-debug-perl liblocale-codes-perl
The following NEW packages will be installed:
  ca-certificates curl git git-ftp git-man krb5-locales less libbsd0
  libcurl3-gnutls libcurl4 libedit2 liberror-perl libexpat1 libgdbm-compat4
  libgdbm6 libgssapi-krb5-2 libk5crypto3 libkeyutils1 libkrb5-3
  libkrb5support0 libldap-2.4-2 libldap-common libnghttp2-14 libpcre2-8-0
  libperl5.28 libpsl5 librtmp1 libsasl2-2 libsasl2-modules libsasl2-modules-db
  libssh2-1 libssl1.1 libx11-6 libx11-data libxau6 libxcb1 libxdmcp6 libxext6
  libxmuu1 netbase openssh-client openssl patch perl perl-modules-5.28
  publicsuffix xauth
0 upgraded, 47 newly installed, 0 to remove and 0 not upgraded.
Need to get 22.6 MB of archives.
After this operation, 107 MB of additional disk space will be used.
Get:1 http://deb.debian.org/debian buster/main amd64 perl-modules-5.28 all 5.28.1-6 [2873 kB]
Get:2 http://security-cdn.debian.org/debian-security buster/updates/main amd64 libcurl4 amd64 7.64.0-4+deb10u1 [331 kB]
Get:3 http://security-cdn.debian.org/debian-security buster/updates/main amd64 curl amd64 7.64.0-4+deb10u1 [264 kB]
Get:5 http://deb.debian.org/debian buster/main amd64 libgdbm6 amd64 1.18.1-4 [64.7 kB]
Get:6 http://deb.debian.org/debian buster/main amd64 libgdbm-compat4 amd64 1.18.1-4 [44.1 kB]
Get:7 http://deb.debian.org/debian buster/main amd64 libperl5.28 amd64 5.28.1-6 [3883 kB]
Get:4 http://security-cdn.debian.org/debian-security buster/updates/main amd64 libcurl3-gnutls amd64 7.64.0-4+deb10u1 [330 kB]
Get:8 http://deb.debian.org/debian buster/main amd64 perl amd64 5.28.1-6 [204 kB]
Get:9 http://deb.debian.org/debian buster/main amd64 less amd64 487-0.1+b1 [129 kB]
Get:10 http://deb.debian.org/debian buster/main amd64 netbase all 5.6 [19.4 kB]
Get:11 http://deb.debian.org/debian buster/main amd64 krb5-locales all 1.17-3 [95.4 kB]
Get:12 http://deb.debian.org/debian buster/main amd64 libbsd0 amd64 0.9.1-2 [99.5 kB]
Get:13 http://deb.debian.org/debian buster/main amd64 libedit2 amd64 3.1-20181209-1 [94.0 kB]
Get:14 http://deb.debian.org/debian buster/main amd64 libkeyutils1 amd64 1.6-6 [15.0 kB]
Get:15 http://deb.debian.org/debian buster/main amd64 libkrb5support0 amd64 1.17-3 [65.6 kB]
Get:16 http://deb.debian.org/debian buster/main amd64 libk5crypto3 amd64 1.17-3 [121 kB]
Get:17 http://deb.debian.org/debian buster/main amd64 libssl1.1 amd64 1.1.1d-0+deb10u2 [1538 kB]
Get:18 http://deb.debian.org/debian buster/main amd64 libkrb5-3 amd64 1.17-3 [370 kB]
Get:19 http://deb.debian.org/debian buster/main amd64 libgssapi-krb5-2 amd64 1.17-3 [158 kB]
Get:20 http://deb.debian.org/debian buster/main amd64 openssh-client amd64 1:7.9p1-10+deb10u2 [782 kB]
Get:21 http://deb.debian.org/debian buster/main amd64 openssl amd64 1.1.1d-0+deb10u2 [843 kB]
Get:22 http://deb.debian.org/debian buster/main amd64 ca-certificates all 20190110 [157 kB]
Get:23 http://deb.debian.org/debian buster/main amd64 libsasl2-modules-db amd64 2.1.27+dfsg-1+deb10u1 [69.1 kB]
Get:24 http://deb.debian.org/debian buster/main amd64 libsasl2-2 amd64 2.1.27+dfsg-1+deb10u1 [106 kB]
Get:25 http://deb.debian.org/debian buster/main amd64 libldap-common all 2.4.47+dfsg-3+deb10u1 [89.6 kB]
Get:26 http://deb.debian.org/debian buster/main amd64 libldap-2.4-2 amd64 2.4.47+dfsg-3+deb10u1 [225 kB]
Get:27 http://deb.debian.org/debian buster/main amd64 libnghttp2-14 amd64 1.36.0-2+deb10u1 [85.0 kB]
Get:28 http://deb.debian.org/debian buster/main amd64 libpsl5 amd64 0.20.2-2 [53.7 kB]
Get:29 http://deb.debian.org/debian buster/main amd64 librtmp1 amd64 2.4+20151223.gitfa8646d.1-2 [60.5 kB]
Get:30 http://deb.debian.org/debian buster/main amd64 libssh2-1 amd64 1.8.0-2.1 [140 kB]
Get:31 http://deb.debian.org/debian buster/main amd64 libexpat1 amd64 2.2.6-2+deb10u1 [106 kB]
Get:32 http://deb.debian.org/debian buster/main amd64 libpcre2-8-0 amd64 10.32-5 [213 kB]
Get:33 http://deb.debian.org/debian buster/main amd64 liberror-perl all 0.17027-2 [30.9 kB]
Get:34 http://deb.debian.org/debian buster/main amd64 git-man all 1:2.20.1-2+deb10u1 [1620 kB]
Get:35 http://deb.debian.org/debian buster/main amd64 git amd64 1:2.20.1-2+deb10u1 [5620 kB]
Get:36 http://deb.debian.org/debian buster/main amd64 git-ftp all 1.5.1+dfsg-1 [26.7 kB]
Get:37 http://deb.debian.org/debian buster/main amd64 libsasl2-modules amd64 2.1.27+dfsg-1+deb10u1 [104 kB]
Get:38 http://deb.debian.org/debian buster/main amd64 libxau6 amd64 1:1.0.8-1+b2 [19.9 kB]
Get:39 http://deb.debian.org/debian buster/main amd64 libxdmcp6 amd64 1:1.1.2-3 [26.3 kB]
Get:40 http://deb.debian.org/debian buster/main amd64 libxcb1 amd64 1.13.1-2 [137 kB]
Get:41 http://deb.debian.org/debian buster/main amd64 libx11-data all 2:1.6.7-1 [298 kB]
Get:42 http://deb.debian.org/debian buster/main amd64 libx11-6 amd64 2:1.6.7-1 [754 kB]
Get:43 http://deb.debian.org/debian buster/main amd64 libxext6 amd64 2:1.3.3-1+b2 [52.5 kB]
Get:44 http://deb.debian.org/debian buster/main amd64 libxmuu1 amd64 2:1.1.2-2+b3 [23.9 kB]
Get:45 http://deb.debian.org/debian buster/main amd64 patch amd64 2.7.6-3+deb10u1 [126 kB]
Get:46 http://deb.debian.org/debian buster/main amd64 publicsuffix all 20190415.1030-1 [116 kB]
Get:47 http://deb.debian.org/debian buster/main amd64 xauth amd64 1:1.0.10-1 [40.3 kB]
debconf: delaying package configuration, since apt-utils is not installed
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debconf: unable to initialize frontend: Dialog
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Setting up git-man (1:2.20.1-2+deb10u1) ...
Setting up libssh2-1:amd64 (1.8.0-2.1) ...
Setting up netbase (5.6) ...
Setting up libkrb5-3:amd64 (1.17-3) ...
Setting up openssl (1.1.1d-0+deb10u2) ...
Setting up libbsd0:amd64 (0.9.1-2) ...
Setting up publicsuffix (20190415.1030-1) ...
Setting up libgdbm6:amd64 (1.18.1-4) ...
Setting up libxdmcp6:amd64 (1:1.1.2-3) ...
Setting up libxcb1:amd64 (1.13.1-2) ...
Setting up libedit2:amd64 (3.1-20181209-1) ...
Setting up libldap-2.4-2:amd64 (2.4.47+dfsg-3+deb10u1) ...
Setting up ca-certificates (20190110) ...
debconf: unable to initialize frontend: Dialog
debconf: (TERM is not set, so the dialog frontend is not usable.)
debconf: falling back to frontend: Readline
Updating certificates in /etc/ssl/certs...
128 added, 0 removed; done.
Setting up libgssapi-krb5-2:amd64 (1.17-3) ...
Setting up libgdbm-compat4:amd64 (1.18.1-4) ...
Setting up libperl5.28:amd64 (5.28.1-6) ...
Setting up libcurl4:amd64 (7.64.0-4+deb10u1) ...
Setting up libx11-6:amd64 (2:1.6.7-1) ...
Setting up curl (7.64.0-4+deb10u1) ...
Setting up libxmuu1:amd64 (2:1.1.2-2+b3) ...
Setting up openssh-client (1:7.9p1-10+deb10u2) ...
Setting up libxext6:amd64 (2:1.3.3-1+b2) ...
Setting up libcurl3-gnutls:amd64 (7.64.0-4+deb10u1) ...
Setting up perl (5.28.1-6) ...
Setting up xauth (1:1.0.10-1) ...
Setting up liberror-perl (0.17027-2) ...
Setting up git (1:2.20.1-2+deb10u1) ...
Setting up git-ftp (1.5.1+dfsg-1) ...
Processing triggers for libc-bin (2.28-10) ...
Processing triggers for ca-certificates (20190110) ...
Updating certificates in /etc/ssl/certs...
0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d...
done.
Removing intermediate container 62955412c170
 ---> 1a7e5cb20ec5
Step 4/5 : COPY entrypoint.sh /entrypoint.sh
 ---> f282ef002b6b
Step 5/5 : ENTRYPOINT ["/entrypoint.sh"]
 ---> Running in ea0b36158514
Removing intermediate container ea0b36158514
 ---> c25fce15bff6
Successfully built c25fce15bff6

real    0m19.363s
user    0m0.109s
sys     0m0.194s

[sebastianpopp]

Thank you for the changes. Looks like it's around 11 seconds faster than Debian on GitHub's servers.