chore(*): update base to alpine:3.4

Updates Docker base images to `alpine:3.4` to benefit from current
code and fixes.

Leaves database intact, since upgrading to a new version of
postgresql isn't a smooth upgrade path.

controller/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # install common packages
 RUN apk add --no-cache curl bash sudo

controller/build.sh

@@ -17,6 +17,7 @@ apk add --no-cache \
   libpq \
   openldap \
   openldap-dev \
+  openssl \
   postgresql-dev \
   python \
   python-dev

logger/image/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 ENTRYPOINT ["/bin/logger"]
 CMD ["--enable-publish"]

logspout/image/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 ENV DOCKER_HOST unix:///tmp/docker.sock
 ENV ROUTESPATH /tmp

publisher/image/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # install curl in the image so it is possible to get the runtime
 # profiling information without any additional package installation.

registry/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # install common packages
 RUN apk add --no-cache curl bash sudo

router/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # install common packages
 RUN apk add --no-cache \

tests/fixtures/mock-store/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # install common packages
 RUN apk add --no-cache curl bash sudo

tests/fixtures/mock-store/build.sh

@@ -17,6 +17,7 @@ apk add --no-cache \
   file \
   gcc \
   git \
+  openssl \
   python-dev
 
 # install etcdctl

tests/fixtures/test-etcd/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.4
 
 # install common packages
 RUN apk add --no-cache curl tar