(Dockerfile): Install git

Signed-off-by: Victor Otieno <victor@slick.co.ke>

(Dockerfile): Fix build issue

Removed this since we can't edit the /etc/hosts file

Signed-off-by: Victor Otieno <victor@slick.co.ke>

(Dockerfile): Fix editting hosts file

We need to append rather than overwrite to prevent possible issues.

Signed-off-by: Victor Otieno <victor@slick.co.ke>

(Dockerfile): Fix command

Signed-off-by: Victor Otieno <victor@slick.co.ke>

Merge pull request #5 from talkjs/chore/upgrade-node-18

Upgrades the node version to 18.15

Upgrades the node version to 18

Bump elixir version to 1.13

Merge pull request #3 from talkjs/chore/elixir-1.11

Update to Elixir 1.11

Bump to Elixir 1.10

Revert "Bump Elixir version"