Add tzdata for localised timezone support

Author: thespad

Dockerfile

@@ -14,7 +14,8 @@ RUN \
   echo "**** install build packages ****" && \
   apk add --no-cache \
     alpine-release \
-    curl && \
+    curl \
+    tzdata && \
   if [ -z ${HAPROXY_VERSION+x} ]; then \
   HAPROXY_VERSION=$(curl -sL "http://dl-cdn.alpinelinux.org/alpine/v3.22/main/x86_64/APKINDEX.tar.gz" | tar -xz -C /tmp \
     && awk '/^P:haproxy$/,/V:/' /tmp/APKINDEX | sed -n 2p | sed 's/^V://'); \

Dockerfile.aarch64

@@ -14,7 +14,8 @@ RUN \
   echo "**** install build packages ****" && \
   apk add --no-cache \
     alpine-release \
-    curl && \
+    curl \
+    tzdata && \
   if [ -z ${HAPROXY_VERSION+x} ]; then \
   HAPROXY_VERSION=$(curl -sL "http://dl-cdn.alpinelinux.org/alpine/v3.22/main/x86_64/APKINDEX.tar.gz" | tar -xz -C /tmp \
     && awk '/^P:haproxy$/,/V:/' /tmp/APKINDEX | sed -n 2p | sed 's/^V://'); \

Dockerfile.riscv64

@@ -14,7 +14,8 @@ RUN \
   echo "**** install build packages ****" && \
   apk add --no-cache \
     alpine-release \
-    curl && \
+    curl \
+    tzdata && \
   if [ -z ${HAPROXY_VERSION+x} ]; then \
   HAPROXY_VERSION=$(curl -sL "http://dl-cdn.alpinelinux.org/alpine/v3.22/main/x86_64/APKINDEX.tar.gz" | tar -xz -C /tmp \
     && awk '/^P:haproxy$/,/V:/' /tmp/APKINDEX | sed -n 2p | sed 's/^V://'); \

README.md

@@ -108,6 +108,7 @@ services:
       - SWARM=0 #optional
       - SYSTEM=0 #optional
       - TASKS=0 #optional
+      - TZ=Etc/UTC #optional
       - VERSION=1 #optional
       - VOLUMES=0 #optional
     volumes:
@@ -149,6 +150,7 @@ docker run -d \
   -e SWARM=0 `#optional` \
   -e SYSTEM=0 `#optional` \
   -e TASKS=0 `#optional` \
+  -e TZ=Etc/UTC `#optional` \
   -e VERSION=1 `#optional` \
   -e VOLUMES=0 `#optional` \
   -v /var/run/docker.sock:/var/run/docker.sock:ro \
@@ -190,6 +192,7 @@ Containers are configured using parameters passed at runtime (such as those abov
 | `-e SWARM=0` | `/swarm` |
 | `-e SYSTEM=0` | `/system` |
 | `-e TASKS=0` | `/tasks` |
+| `-e TZ=Etc/UTC` | `Set container timezone` |
 | `-e VERSION=1` | `/version` |
 | `-e VOLUMES=0` | `/volumes` |
 | `-v /var/run/docker.sock:ro` | Mount the host docker socket into the container. |
@@ -316,6 +319,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **19.08.25:** - Add tzdata for localised logging timestamps.
 * **03.06.25:** - Rebase to Alpine 3.22. Add RISCV support.
 * **08.04.25:** - Add `LOG_LEVEL` back.
 * **06.04.25:** - Switch back to haproxy for better handling of `docker exec` connection hijacking.

readme-vars.yml

@@ -115,6 +115,7 @@ full_custom_readme: |
         - SWARM=0 #optional
         - SYSTEM=0 #optional
         - TASKS=0 #optional
+        - TZ=Etc/UTC #optional
         - VERSION=1 #optional
         - VOLUMES=0 #optional
       volumes:
@@ -156,6 +157,7 @@ full_custom_readme: |
     -e SWARM=0 `#optional` \
     -e SYSTEM=0 `#optional` \
     -e TASKS=0 `#optional` \
+    -e TZ=Etc/UTC `#optional` \
     -e VERSION=1 `#optional` \
     -e VOLUMES=0 `#optional` \
     -v /var/run/docker.sock:/var/run/docker.sock:ro \
@@ -197,6 +199,7 @@ full_custom_readme: |
   | `-e SWARM=0` | `/swarm` |
   | `-e SYSTEM=0` | `/system` |
   | `-e TASKS=0` | `/tasks` |
+  | `-e TZ=Etc/UTC` | `Set container timezone` |
   | `-e VERSION=1` | `/version` |
   | `-e VOLUMES=0` | `/volumes` |
   | `-v /var/run/docker.sock:ro` | Mount the host docker socket into the container. |
@@ -323,6 +326,7 @@ full_custom_readme: |
 
   ## Versions
 
+  * **19.08.25:** - Add tzdata for localised logging timestamps.
   * **03.06.25:** - Rebase to Alpine 3.22. Add RISCV support.
   * **08.04.25:** - Add `LOG_LEVEL` back.
   * **06.04.25:** - Switch back to haproxy for better handling of `docker exec` connection hijacking.