Add timezone env to Docker image (#776)

scripts/Dockerfile

@@ -53,6 +53,10 @@ RUN apk add --no-cache --virtual subconverter-deps pcre2 libcurl yaml-cpp
 COPY --from=builder /subconverter/subconverter /usr/bin/
 COPY --from=builder /subconverter/base /base/
 
+ENV TZ=Africa/Abidjan
+RUN ln -sf /usr/share/zoneinfo/$TZ /etc/localtime
+RUN echo $TZ > /etc/timezone
+
 # set entry
 WORKDIR /base
 CMD subconverter