Remove lots of weight from worker

Dockerfile

@@ -1,38 +1,3 @@
-FROM debian:buster-slim
+FROM alpine:edge
 
-RUN apt-get update && \
-        apt-get upgrade -y && \
-        apt-get install -y wget python3-pip golang unzip git && \
-        wget https://releases.hashicorp.com/terraform/0.12.18/terraform_0.12.18_linux_amd64.zip && \
-        unzip terraform_0.12.18_linux_amd64.zip -d /usr/bin && \
-        pip3 install awscli && \
-        wget https://get.helm.sh/helm-v3.0.2-linux-amd64.tar.gz && \
-        tar xvf helm-v3.0.2-linux-amd64.tar.gz -C /usr/bin --strip 1 && \
-        wget https://storage.googleapis.com/kubernetes-release/release/v1.15.0/bin/linux/amd64/kubectl && \
-        install -m 755 kubectl /usr/bin
-
-
-# Docker
-RUN apt-get install -y apt-transport-https ca-certificates curl gnupg2 software-properties-common && \
-        curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add - && \
-        add-apt-repository \
-        "deb [arch=amd64] https://download.docker.com/linux/debian \
-        $(lsb_release -cs) \
-        stable" && \
-        apt-get update && \
-        apt-get install -y docker-ce docker-ce-cli containerd.io
-
-# Latex
-RUN apt-get install -y texlive texlive-base texlive-fonts-recommended texlive-fonts-extra texinfo
-
-# glcoud cli
-RUN echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" > /etc/apt/sources.list.d/google-cloud-sdk.list && \
-        curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key --keyring /usr/share/keyrings/cloud.google.gpg add - && \
-        apt-get update && \
-        apt-get install -y google-cloud-sdk
-
-# rsync
-RUN apt-get install -y rsync
-
-# jq
-RUN apt-get install -y jq
+RUN apk add --update kubectl docker terraform texlive -full ca-certificates texinfo alpine-sdk bash