include support for GCP and AWS KMS by default

docker/Dockerfile.step-ca

@@ -3,15 +3,15 @@ FROM golang:alpine AS builder
 WORKDIR /src
 COPY . .
 
-RUN apk add --no-cache \
-   curl \
-   git \
-   make && \
-   make V=1 bin/step-ca
+RUN apk add --no-cache curl git make
+RUN make V=1 bin/step-ca bin/step-awskms-init bin/step-cloudkms-init
+
 
 FROM smallstep/step-cli:latest
 
 COPY --from=builder /src/bin/step-ca /usr/local/bin/step-ca
+COPY --from=builder /src/bin/step-awskms-init /usr/local/bin/step-awskms-init
+COPY --from=builder /src/bin/step-cloudkms-init /usr/local/bin/step-cloudkms-init
 
 USER root
 RUN apk add --no-cache libcap && setcap CAP_NET_BIND_SERVICE=+eip /usr/local/bin/step-ca