Build containers from scratch and use ca-certificates and zoneinfo fr…

…om latest alpine.
containrrr · Mar 2, 2018 · b15df25 · b15df25
1 parent 05513dd
commit b15df25
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diff --git a/dockerfile/amd64/Dockerfile b/dockerfile/amd64/Dockerfile
@@ -1,4 +1,20 @@
-FROM centurylink/ca-certs
+#
+# Alpine image to get some needed data
+#
+FROM alpine:latest as alpine
+RUN apk add --no-cache \
+    ca-certificates \
+    tzdata
+
+#
+# Image
+#
+FROM scratch
 LABEL "com.centurylinklabs.watchtower"="true"
+
+# copy files from other containers
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=alpine /usr/share/zoneinfo /usr/share/zoneinfo
+
 COPY watchtower /
 ENTRYPOINT ["/watchtower"]
diff --git a/dockerfile/armhf/Dockerfile b/dockerfile/armhf/Dockerfile
@@ -1,4 +1,20 @@
-FROM centurylink/ca-certs
+#
+# Alpine image to get some needed data
+#
+FROM alpine:latest as alpine
+RUN apk add --no-cache \
+    ca-certificates \
+    tzdata
+
+#
+# Image
+#
+FROM scratch
 LABEL "com.centurylinklabs.watchtower"="true"
+
+# copy files from other containers
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=alpine /usr/share/zoneinfo /usr/share/zoneinfo
+
 COPY watchtower /
 ENTRYPOINT ["/watchtower"]