[PostgreSQL] How to Fixed, FATAL: database locale is incompatible with operating system(LC_COLLATE “th_TH.UTF-8”)

Full Error

FATAL: database locale is incompatible with operating system
Detail: The database was initialized with LC_COLLATE "th_TH.UTF-8", which is not recognized by setlocale()

Solution

- Linux Server Ubuntu Base

Sol#01

  • Check current locale
locale -a
  • If not found th_TH.UTF-8, run these command to install Thai locale
sudo locale-gen en_US en_US.UTF-8 th_TH th_TH.UTF-8
sudo dpkg-reconfigure locales
  • recheck result with
locale -a
C
C.utf8
en_US.utf8
POSIX
th_TH.utf8 << new locale

Sol#02 or you can edit /etc/locale.gen with text editor such as nano and uncomment (Remove #) in line th_TH.UTF-8

#Remove # from th_TH.UTF-8
nano -w /etc/locale.gen
   en_US.UTF-8
   #th_TH.UTF-8   >> OLD
   th_TH.UTF-8
  • Regen Locale
locale-gen
  • check result with locale -a
#result of locale -a
C
C.utf8
en_US.utf8
POSIX
th_TH.utf8 << new locale

Note: you can use replace command like sed to replace value, the example I will show in Container case

- For Container Base

Default thai local in dockerfile

FROM postgres:16.0
RUN apt-get update
RUN apt-get install -y locales
RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
    locale-gen  

#you logic such as inital script
# ...

Reference

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