Enhanced to use openssl for Search guard cert support as per https://gist.github.com/floragunncom/9319a994ae09df64b2a173128f745ed2

bump alpine version, switch to --no-cache

Dockerfile

@@ -1,6 +1,14 @@
-FROM alpine:3.2
+FROM alpine:3.6
 
-RUN apk --update add python py-pip && \
-    pip install elasticsearch-curator==3.3.0
+RUN apk --no-cache add python py-setuptools py-pip gcc libffi py-cffi python-dev libffi-dev py-openssl musl-dev linux-headers openssl-dev && \
+    pip install elasticsearch-curator==5.4.0 && \
+    pip install requests-aws4auth==0.9 && \
+    pip install cryptography==2.1.3 && \
+    apk del py-pip gcc python-dev libffi-dev musl-dev linux-headers openssl-dev && \
+    sed -i '/import sys/a urllib3.contrib.pyopenssl.inject_into_urllib3()' /usr/bin/curator && \
+    sed -i '/import sys/a import urllib3.contrib.pyopenssl' /usr/bin/curator && \
+    sed -i '/import sys/a import urllib3' /usr/bin/curator
+
+USER nobody:nobody
 
 ENTRYPOINT ["/usr/bin/curator"]

README.md

@@ -14,7 +14,7 @@ resulting in a just 50mb image.
 Image entrypoint is set to curator script, so just run the image:
 
 ```
-docker run --rm bobrik/curator:3.3.0 --help
+docker run --rm bobrik/curator:4.0.4 --help
 ```
 
 Pick whatever version you need.