My Tmux config

.tmux.conf

setw -g xterm-keys on
set-option -g default-terminal "screen-256color"
set-option -g default-command "reattach-to-user-namespace -l zsh"
set-option -g set-titles on
bind-key | split-window -h
bind-key - split-window
setw -g mode-keys vi
set -sg escape-time 0
# Setup 'v' to begin selection as in Vim
bind-key -t vi-copy v begin-selection
bind-key -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"

# Update default binding of `Enter` to also use copy-pipe
unbind -t vi-copy Enter
bind-key -t vi-copy Enter copy-pipe "reattach-to-user-namespace pbcopy"

# Bind ']' to use pbpaste
bind ] run "reattach-to-user-namespace pbpaste | tmux load-buffer - && tmux paste-buffer"

unbind-key j
bind-key j select-pane -D

unbind-key k
bind-key k select-pane -U

unbind-key h
bind-key h select-pane -L

unbind-key l
bind-key l select-pane -R

set -g mode-mouse on
set -g mouse-resize-pane on
set -g mouse-select-pane on