Merge pull request #15 from woblerr/switch_to_utc

Switch default timezone to UTC.

Dockerfile

@@ -36,7 +36,7 @@ FROM ubuntu:20.04
 
 ARG REPO_BUILD_TAG
 
-ENV TZ="Europe/Moscow" \
+ENV TZ="Etc/UTC" \
     BACKREST_USER="pgbackrest" \
     BACKREST_UID=2001 \
     BACKREST_GROUP="pgbackrest" \

Dockerfile.alpine

@@ -4,7 +4,7 @@ ARG BACKREST_VERSION
 ARG BACKREST_COMPLETION_VERSION
 ARG REPO_BUILD_TAG
 
-ENV TZ="Europe/Moscow" \
+ENV TZ="Etc/UTC" \
     BACKREST_USER="pgbackrest" \
     BACKREST_UID=2001 \
     BACKREST_GROUP="pgbackrest" \

README.md

@@ -25,7 +25,7 @@ The image contains [pgbackrest-bash-completion](https://github.com/woblerr/pgbac
 
 Environment variables supported by this image:
 
-* `TZ` - container's time zone, default `Europe/Moscow`;
+* `TZ` - container's time zone, default `Etc/UTC`;
 * `BACKREST_USER` - non-root user name for execution of the command, default `pgbackrest`;
 * `BACKREST_UID` - UID of internal `${BACKREST_USER}` user, default `2001`;
 * `BACKREST_GROUP` - group name of internal `${BACKREST_USER}` user, default `pgbackrest`;

files/entrypoint.sh

@@ -8,7 +8,7 @@ if [ "${uid}" = "0" ]; then
     # Exec pgBackRest from specific user.
     backrest_command="gosu ${BACKREST_USER} pgbackrest"
     # Custom time zone.
-    if [ "${TZ}" != "Europe/Moscow" ]; then
+    if [ "${TZ}" != "Etc/UTC" ]; then
         cp /usr/share/zoneinfo/${TZ} /etc/localtime
         echo "${TZ}" > /etc/timezone
     fi