You want a 1u rack and a rack mounted power strip. I use:

StarTech.com 1U Wall Mount Patch Panel Bracket – 19 in – Steel - Vertical Mounting Bracket for Networking and Data Equipment (RK119WALLV),Black https://smile.amazon.com/dp/B001YHUX2I/ref=cm_sw_r_apan_glt_fabc_6NB92Z2XT1ZNY1M3QMNM?psc=1

CyberPower CPS1215RMS Basic PDU, 120V/15A, 12 Outlets, 15ft Power Cord, 1U Rackmount https://smile.amazon.com/dp/B00077INZU/ref=cm_sw_r_apan_glt_fabc_YHFPR08SF8GSSENSQGS8