Move docker images to use node v10

README-dev.md

@@ -14,7 +14,7 @@ Before publishing a new celocli package, test in isolation using Docker. This co
 ```
 # To test utils package, change $PWD/packages/cli to $PWD/packages/utils
 # To test contractkit package, change $PWD/packages/contractkit to $PWD/packages/contractkit
-celo-monorepo $ docker run -v $PWD/packages/cli:/tmp/npm_package -it --entrypoint bash node:8
+celo-monorepo $ docker run -v $PWD/packages/cli:/tmp/npm_package -it --entrypoint bash node:10fn
 root@e0d56700584f:/# mkdir /tmp/tmp1 && cd /tmp/tmp1
 root@e0d56700584f:/tmp/tmp1# npm install /tmp/npm_package/
 ```
@@ -43,7 +43,7 @@ Once you publish do some manual tests, for example, after publishing `celocli`
 
 ```
 # Docker for an isolated environment again
-celo-monorepo $ docker run -it --entrypoint bash node:8
+celo-monorepo $ docker run -it --entrypoint bash node:10
 root@e0d56700584f:/# mkdir /tmp/tmp1 && cd /tmp/tmp1
 root@e0d56700584f:/tmp/tmp1# npm install @celo/celocli@0.0.20
 /tmp/tmp1# ./node_modules/.bin/celocli

dockerfiles/attestation-service/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8
+FROM node:10
 WORKDIR /celo-monorepo
 
 # ensure yarn.lock is evaluated by kaniko cache diff

dockerfiles/celotool/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8
+FROM node:10
 WORKDIR /celo-monorepo
 
 # Needed for gsutil

dockerfiles/cli/Dockerfile

@@ -34,7 +34,7 @@ ADD https://www.googleapis.com/storage/v1/b/genesis_blocks/o/${celo_env}?alt=med
 ADD https://www.googleapis.com/storage/v1/b/static_nodes/o/${celo_env}?alt=media /celo/static-nodes.json
 
 # Build Celocli
-FROM node:8-alpine as node
+FROM node:10-alpine as node
 
 ARG celo_env
 
@@ -46,7 +46,7 @@ WORKDIR /celo-monorepo/
 RUN npm install @celo/celocli
 
 # Build the combined image
-FROM node:8-alpine as final_image
+FROM node:10-alpine as final_image
 
 ARG network_name="alfajores"
 ARG network_id="44782"

dockerfiles/cloudbuild/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8
+FROM node:10
 
 RUN apt-get update -y
 RUN apt-get install lsb-release libudev-dev libusb-dev -y --no-install-recommends apt-utils

dockerfiles/transaction-metrics-exporter/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8
+FROM node:10
 WORKDIR /celo-monorepo
 
 # Needed for gsutil