add fakechroot dependency in README.md, prevent 'already exists' error when running ln -s by adding -f in Makefile, combine two layers of Dockerfile and fix typo of pugring.gpg~

Signed-off-by: Linux Ninja <linuxninja@bryangay.com>

Dockerfile

@@ -5,9 +5,8 @@ ADD archlinux.tar.xz /
 RUN ldconfig && update-ca-trust && locale-gen
 RUN sh -c 'ls usr/lib/sysusers.d/*.conf | /usr/share/libalpm/scripts/systemd-hook sysusers '
 
-# initialize the archilnux keyring, but discard any private key that may be shipped.
-RUN pacman-key --init && pacman-key --populate archlinux
-RUN rm -rf etc/pacman.d/gnupg/{openpgp-revocs.d/,private-keys-v1.d/,pugring.gpg~,gnupg.S.}*
+# initialize the archlinux keyring, but discard any private key that may be shipped.
+RUN pacman-key --init && pacman-key --populate archlinux && rm -rf etc/pacman.d/gnupg/{openpgp-revocs.d/,private-keys-v1.d/,pubring.gpg~,gnupg.S.}*
 
 ENV LANG=en_US.UTF-8
 CMD ["/usr/bin/bash"]

Makefile

@@ -6,7 +6,7 @@ PWD=$(shell pwd)
 
 hooks:
 	mkdir -p alpm-hooks/usr/share/libalpm/hooks
-	find /usr/share/libalpm/hooks -exec ln -s /dev/null $(PWD)/alpm-hooks{} \;
+	find /usr/share/libalpm/hooks -exec ln -sf /dev/null $(PWD)/alpm-hooks{} \;
 
 rootfs: hooks
 	mkdir -vp $(BUILDDIR)/var/lib/pacman/

README.md

@@ -5,6 +5,7 @@ Install the following Arch Linux packages:
 * make
 * devtools
 * docker
+* fakechroot
 ## Usage
 Run `make docker-image` as root to build the base image.
 ## Purpose