Latest Dockerfile installs 100's of new packages

```
$ docker-compose build
db uses an image, skipping
redis uses an image, skipping
nginx uses an image, skipping
Building web
Sending build context to Docker daemon 1.731GB
Step 1/8 : FROM python:3.9
---> 70aa8983ec5c
Step 2/8 : ENV PYTHONUNBUFFERED 1
---> Using cache
---> afd91654edb8
Step 3/8 : ENV PYTHONDONTWRITEBYTECODE 1
---> Running in 41db85b8866e
Removing intermediate container 41db85b8866e
---> 9569fe1f4d1c
Step 4/8 : RUN apt-get update && apt-get install -y bzip2 xz-utils zlib1g libxml2-dev libxslt1-dev libgomp1 libsqlite3-0 libgcrypt20 libpopt0 libzstd1 libgpgme11 libdevmapper1.02.1 libguestfs-tools && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
---> Running in fed5871f2aa9
Get:1 http://deb.debian.org/debian buster InRelease [122 kB]
Get:2 http://security.debian.org/debian-security buster/updates InRelease [65.4 kB]
Get:3 http://deb.debian.org/debian buster-updates InRelease [51.9 kB]
Get:4 http://security.debian.org/debian-security buster/updates/main amd64 Packages [309 kB]
Get:5 http://deb.debian.org/debian buster/main amd64 Packages [7906 kB]
Get:6 http://deb.debian.org/debian buster-updates/main amd64 Packages [15.2 kB]
Fetched 8469 kB in 4s (1893 kB/s)
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
bzip2 is already the newest version (1.0.6-9.2~deb10u1).
libgomp1 is already the newest version (8.3.0-6).
libgomp1 set to manually installed.
libxslt1-dev is already the newest version (1.1.32-2.2~deb10u1).
libzstd1 is already the newest version (1.3.8+dfsg-3+deb10u2).
libzstd1 set to manually installed.
libsqlite3-0 is already the newest version (3.27.2-3+deb10u1).
libsqlite3-0 set to manually installed.
xz-utils is already the newest version (5.2.4-1).
zlib1g is already the newest version (1:1.2.11.dfsg-1).
zlib1g set to manually installed.
The following additional packages will be installed:
acl adwaita-icon-theme apparmor at-spi2-core attr augeas-lenses bsdmainutils
btrfs-progs busybox cpio cron cryptsetup-bin db-util db5.3-util dbus
dbus-user-session dconf-gsettings-backend dconf-service dmeventd dmidecode
dmsetup dosfstools exfat-fuse exfat-utils exim4-base exim4-config
exim4-daemon-light extlinux firmware-linux-free fonts-droid-fallback
fonts-noto-mono fuse gawk gdisk genisoimage gettext-base ghostscript
glib-networking glib-networking-common glib-networking-services groff-base
grub-common grub2-common gsettings-desktop-schemas gsfonts
gstreamer1.0-libav gstreamer1.0-plugins-base gstreamer1.0-plugins-good
gstreamer1.0-plugins-ugly gstreamer1.0-x gtk-update-icon-cache
guile-2.2-libs hfsplus i965-va-driver ibverbs-providers icoutils
initramfs-tools initramfs-tools-core intel-media-va-driver ipxe-qemu
isc-dhcp-client isc-dhcp-common iso-codes klibc-utils kmod ldmtool less
liba52-0.7.4 libaa1 libaacs0 libafflib0v5 libaio1 libaom0 libapparmor1
libargon2-1 libasound2 libasound2-data libass9 libasyncns0
libatk-bridge2.0-0 libatk1.0-0 libatk1.0-data libatspi2.0-0 libaugeas0
libauthen-sasl-perl libavahi-client3 libavahi-common-data libavahi-common3
libavc1394-0 libavcodec58 libavfilter7 libavformat58 libavutil56 libbdplus0
libbluray2 libbrlapi0.6 libbs2b0 libcaca0 libcacard0 libcapstone3 libcdio18
libcdparanoia0 libchromaprint1 libcodec2-0.8.1 libcolord2 libconfig9
libcryptsetup12 libcrystalhd3 libcups2 libcupsfilters1 libcupsimage2
libdata-dump-perl libdate-manip-perl libdbus-1-3 libdconf1
libdevmapper-event1.02.1 libdns-export1104 libdrm-amdgpu1 libdrm-common
libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2 libdv4 libdvdnav4
libdvdread4 libefiboot1 libefivar1 libencode-locale-perl libepoxy0 libewf2
libfdt1 libfile-listing-perl libflac8 libflite1 libfont-afm-perl libfuse2
libgbm1 libgc1c2 libgl1 libgl1-mesa-dri libglapi-mesa libglvnd0 libglx-mesa0
libglx0 libgme0 libgpm2 libgs9 libgs9-common libgsasl7 libgsm1
libgstreamer-plugins-base1.0-0 libgstreamer1.0-0 libgtk-3-0 libgtk-3-bin
libgtk-3-common libgudev-1.0-0 libguestfs-hfsplus libguestfs-perl
libguestfs-reiserfs libguestfs-xfs libguestfs0 libhfsp0 libhivex0
libhtml-form-perl libhtml-format-perl libhtml-parser-perl
libhtml-tagset-perl libhtml-tree-perl libhttp-cookies-perl
libhttp-daemon-perl libhttp-date-perl libhttp-message-perl
libhttp-negotiate-perl libibverbs1 libidn11 libiec61883-0 libigdgmm5
libijs-0.35 libintl-perl libintl-xs-perl libio-html-perl
libio-socket-ssl-perl libip4tc0 libisc-export1100 libjack-jackd2-0
libjansson4 libjbig2dec0 libjson-c3 libjson-glib-1.0-0
libjson-glib-1.0-common libklibc libkmod2 libkyotocabinet16v5 libldm-1.0-0
liblilv-0-0 libllvm7 liblvm2cmd2.03 liblwp-mediatypes-perl
liblwp-protocol-https-perl libmailtools-perl libmailutils5 libmp3lame0
libmpeg2-4 libmpg123-0 libmysofa0 libnet-http-perl libnet-smtp-ssl-perl
libnet-ssleay-perl libnetpbm10 libnl-3-200 libnl-route-3-200 libnorm1
libnspr4 libnss-systemd libnss3 libntfs-3g883 libntlm0 libogg0
libopencore-amrnb0 libopencore-amrwb0 libopenmpt0 libopus0 liborc-0.4-0
libpam-systemd libpaper-utils libpaper1 libparted2 libpciaccess0
libpcsclite1 libpgm-5.2-0 libpostproc55 libproxy1v5 libpulse0 libpython2.7
libraw1394-11 librdmacm1 libreadline5 librest-0.7-0 librubberband2
libsamplerate0 libsensors-config libsensors5 libserd-0-0 libshine3 libshout3
libsidplay1v5 libslang2 libsnappy1v5 libsndfile1 libsodium23 libsord-0-0
libsoup-gnome2.4-1 libsoup2.4-1 libsoxr0 libspeex1 libspice-server1
libsratom-0-0 libssh-gcrypt-4 libstring-shellquote-perl libswresample3
libswscale5 libsys-virt-perl libsystemd0 libtag1v5 libtag1v5-vanilla
libtheora0 libtimedate-perl libtry-tiny-perl libtsk13 libtwolame0
libuchardet0 libudev1 liburi-perl libusb-1.0-0 libusbredirparser1 libv4l-0
libv4lconvert0 libva-drm2 libva-x11-2 libva2 libvdeplug2 libvdpau-va-gl1
libvdpau1 libvidstab1.1 libvirglrenderer0 libvirt0 libvisual-0.4-0
libvorbis0a libvorbisenc2 libvorbisfile3 libvpx5 libvte-2.91-0
libvte-2.91-common libwavpack1 libwayland-client0 libwayland-cursor0
libwayland-egl1 libwayland-server0 libwebp-dev libwebp6 libwebpdemux2
libwebpmux3 libwin-hivex-perl libwrap0 libwww-perl libwww-robotrules-perl
libx11-xcb1 libx264-155 libxcb-dri2-0 libxcb-dri3-0 libxcb-glx0
libxcb-present0 libxcb-sync1 libxcb-xfixes0 libxcomposite1 libxcursor1
libxdamage1 libxencall1 libxendevicemodel1 libxenevtchn1
libxenforeignmemory1 libxengnttab1 libxenmisc4.11 libxenstore3.0
libxentoolcore1 libxentoollog1 libxfixes3 libxi6 libxinerama1 libxkbcommon0
libxml-parser-perl libxml-xpath-perl libxml2 libxrandr2 libxshmfence1
libxtst6 libxv1 libxvidcore4 libxxf86vm1 libyajl2 libyara3 libzmq5
libzvbi-common libzvbi0 linux-base linux-image-4.19.0-18-amd64
linux-image-amd64 lsscsi lvm2 lzop mailutils mailutils-common mdadm
mesa-va-drivers mesa-vdpau-drivers mtools netpbm ntfs-3g os-prober osinfo-db
ovmf parted perl-openssl-defaults pigz poppler-data psmisc
qemu-system-common qemu-system-data qemu-system-gui qemu-system-x86
qemu-utils reiserfsprogs scrub seabios sgabios sleuthkit squashfs-tools
supermin syslinux syslinux-common systemd systemd-sysv
thin-provisioning-tools udev va-driver-all vdpau-driver-all xfsprogs
xkb-data zerofree
Suggested packages:
apparmor-profiles-extra apparmor-utils augeas-doc wamerican | wordlist whois
vacation duperemove libarchive1 anacron logrotate checksecurity
exim4-doc-html | exim4-doc-info eximon4 spf-tools-perl swaks fonts-noto
gawk-doc wodim cdrkit-doc ghostscript-x groff multiboot-doc grub-emu xorriso
desktop-base console-setup gvfs i965-va-driver-shaders
libterm-readline-gnu-perl | libterm-readline-perl-perl bash-completion
resolvconf avahi-autoipd isc-dhcp-client-ddns isoquery libasound2-plugins
alsa-utils augeas-tools libdigest-hmac-perl libgssapi-perl libbluray-bdj
colord firmware-crystalhd cups-common libdv-bin oss-compat libdvdcss2
rng-tools gpm libvisual-0.4-plugins gstreamer1.0-tools libguestfs-gfs2
libguestfs-jfs libguestfs-nilfs libguestfs-rescue libguestfs-rsync
libguestfs-zfs jackd2 libcrypt-ssleay-perl opus-tools libparted-dev
libparted-i18n pciutils pcscd pulseaudio libraw1394-doc lm-sensors serdi
sidplay-base sordi speex libauthen-ntlm-perl linux-doc-4.19
debian-kernel-handbook mailutils-mh mailutils-doc dracut-core floppyd
parted-doc poppler-utils fonts-japanese-mincho | fonts-ipafont-mincho
fonts-japanese-gothic | fonts-ipafont-gothic fonts-arphic-ukai
fonts-arphic-uming fonts-nanum samba vde2 qemu-block-extra debootstrap
autopsy mac-robber systemd-container policykit-1 nvidia-vdpau-driver
nvidia-legacy-340xx-vdpau-driver nvidia-legacy-304xx-vdpau-driver xfsdump
quota
The following NEW packages will be installed:
acl adwaita-icon-theme apparmor at-spi2-core attr augeas-lenses bsdmainutils
btrfs-progs busybox cpio cron cryptsetup-bin db-util db5.3-util dbus
dbus-user-session dconf-gsettings-backend dconf-service dmeventd dmidecode
dmsetup dosfstools exfat-fuse exfat-utils exim4-base exim4-config
exim4-daemon-light extlinux firmware-linux-free fonts-droid-fallback
fonts-noto-mono fuse gawk gdisk genisoimage gettext-base ghostscript
glib-networking glib-networking-common glib-networking-services groff-base
grub-common grub2-common gsettings-desktop-schemas gsfonts
gstreamer1.0-libav gstreamer1.0-plugins-base gstreamer1.0-plugins-good
gstreamer1.0-plugins-ugly gstreamer1.0-x gtk-update-icon-cache
guile-2.2-libs hfsplus i965-va-driver ibverbs-providers icoutils
initramfs-tools initramfs-tools-core intel-media-va-driver ipxe-qemu
isc-dhcp-client isc-dhcp-common iso-codes klibc-utils kmod ldmtool less
liba52-0.7.4 libaa1 libaacs0 libafflib0v5 libaio1 libaom0 libapparmor1
libargon2-1 libasound2 libasound2-data libass9 libasyncns0
libatk-bridge2.0-0 libatk1.0-0 libatk1.0-data libatspi2.0-0 libaugeas0
libauthen-sasl-perl libavahi-client3 libavahi-common-data libavahi-common3
libavc1394-0 libavcodec58 libavfilter7 libavformat58 libavutil56 libbdplus0
libbluray2 libbrlapi0.6 libbs2b0 libcaca0 libcacard0 libcapstone3 libcdio18
libcdparanoia0 libchromaprint1 libcodec2-0.8.1 libcolord2 libconfig9
libcryptsetup12 libcrystalhd3 libcups2 libcupsfilters1 libcupsimage2
libdata-dump-perl libdate-manip-perl libdbus-1-3 libdconf1
libdevmapper-event1.02.1 libdevmapper1.02.1 libdns-export1104 libdrm-amdgpu1
libdrm-common libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2 libdv4
libdvdnav4 libdvdread4 libefiboot1 libefivar1 libencode-locale-perl
libepoxy0 libewf2 libfdt1 libfile-listing-perl libflac8 libflite1
libfont-afm-perl libfuse2 libgbm1 libgc1c2 libgl1 libgl1-mesa-dri
libglapi-mesa libglvnd0 libglx-mesa0 libglx0 libgme0 libgpgme11 libgpm2
libgs9 libgs9-common libgsasl7 libgsm1 libgstreamer-plugins-base1.0-0
libgstreamer1.0-0 libgtk-3-0 libgtk-3-bin libgtk-3-common libgudev-1.0-0
libguestfs-hfsplus libguestfs-perl libguestfs-reiserfs libguestfs-tools
libguestfs-xfs libguestfs0 libhfsp0 libhivex0 libhtml-form-perl
libhtml-format-perl libhtml-parser-perl libhtml-tagset-perl
libhtml-tree-perl libhttp-cookies-perl libhttp-daemon-perl libhttp-date-perl
libhttp-message-perl libhttp-negotiate-perl libibverbs1 libidn11
libiec61883-0 libigdgmm5 libijs-0.35 libintl-perl libintl-xs-perl
libio-html-perl libio-socket-ssl-perl libip4tc0 libisc-export1100
libjack-jackd2-0 libjansson4 libjbig2dec0 libjson-c3 libjson-glib-1.0-0
libjson-glib-1.0-common libklibc libkmod2 libkyotocabinet16v5 libldm-1.0-0
liblilv-0-0 libllvm7 liblvm2cmd2.03 liblwp-mediatypes-perl
liblwp-protocol-https-perl libmailtools-perl libmailutils5 libmp3lame0
libmpeg2-4 libmpg123-0 libmysofa0 libnet-http-perl libnet-smtp-ssl-perl
libnet-ssleay-perl libnetpbm10 libnl-3-200 libnl-route-3-200 libnorm1
libnspr4 libnss-systemd libnss3 libntfs-3g883 libntlm0 libogg0
libopencore-amrnb0 libopencore-amrwb0 libopenmpt0 libopus0 liborc-0.4-0
libpam-systemd libpaper-utils libpaper1 libparted2 libpciaccess0
libpcsclite1 libpgm-5.2-0 libpopt0 libpostproc55 libproxy1v5 libpulse0
libpython2.7 libraw1394-11 librdmacm1 libreadline5 librest-0.7-0
librubberband2 libsamplerate0 libsensors-config libsensors5 libserd-0-0
libshine3 libshout3 libsidplay1v5 libslang2 libsnappy1v5 libsndfile1
libsodium23 libsord-0-0 libsoup-gnome2.4-1 libsoup2.4-1 libsoxr0 libspeex1
libspice-server1 libsratom-0-0 libssh-gcrypt-4 libstring-shellquote-perl
libswresample3 libswscale5 libsys-virt-perl libtag1v5 libtag1v5-vanilla
libtheora0 libtimedate-perl libtry-tiny-perl libtsk13 libtwolame0
libuchardet0 liburi-perl libusb-1.0-0 libusbredirparser1 libv4l-0
libv4lconvert0 libva-drm2 libva-x11-2 libva2 libvdeplug2 libvdpau-va-gl1
libvdpau1 libvidstab1.1 libvirglrenderer0 libvirt0 libvisual-0.4-0
libvorbis0a libvorbisenc2 libvorbisfile3 libvpx5 libvte-2.91-0
libvte-2.91-common libwavpack1 libwayland-client0 libwayland-cursor0
libwayland-egl1 libwayland-server0 libwin-hivex-perl libwrap0 libwww-perl
libwww-robotrules-perl libx11-xcb1 libx264-155 libxcb-dri2-0 libxcb-dri3-0
libxcb-glx0 libxcb-present0 libxcb-sync1 libxcb-xfixes0 libxcomposite1
libxcursor1 libxdamage1 libxencall1 libxendevicemodel1 libxenevtchn1
libxenforeignmemory1 libxengnttab1 libxenmisc4.11 libxenstore3.0
libxentoolcore1 libxentoollog1 libxfixes3 libxi6 libxinerama1 libxkbcommon0
libxml-parser-perl libxml-xpath-perl libxrandr2 libxshmfence1 libxtst6
libxv1 libxvidcore4 libxxf86vm1 libyajl2 libyara3 libzmq5 libzvbi-common
libzvbi0 linux-base linux-image-4.19.0-18-amd64 linux-image-amd64 lsscsi
lvm2 lzop mailutils mailutils-common mdadm mesa-va-drivers
mesa-vdpau-drivers mtools netpbm ntfs-3g os-prober osinfo-db ovmf parted
perl-openssl-defaults pigz poppler-data psmisc qemu-system-common
qemu-system-data qemu-system-gui qemu-system-x86 qemu-utils reiserfsprogs
scrub seabios sgabios sleuthkit squashfs-tools supermin syslinux
syslinux-common systemd systemd-sysv thin-provisioning-tools udev
va-driver-all vdpau-driver-all xfsprogs xkb-data zerofree
The following packages will be upgraded:
libgcrypt20 libsystemd0 libudev1 libwebp-dev libwebp6 libwebpdemux2
libwebpmux3 libxml2 libxml2-dev
9 upgraded, 387 newly installed, 0 to remove and 44 not upgraded.
Need to get 242 MB of archives.
After this operation, 1111 MB of additional disk space will be used.
```