Install wget in docker image

Dockerfile

@@ -6,14 +6,15 @@ ENV OSC_VER=5.8.0
 ENV TF_VER=1.4.6
 
 ADD ./packer /usr/local/bin
-RUN wget https://releases.hashicorp.com/terraform/${TF_VER}/terraform_${TF_VER}_linux_amd64.zip \
-    && unzip terraform_${TF_VER}_linux_amd64.zip \
-    && rm terraform_${TF_VER}_linux_amd64.zip
 RUN apt-get update && apt-get install --no-install-recommends -y \
     git \
     ssh \
     curl \
+    wget \
  && rm -rf /var/lib/apt/lists/*
+RUN wget https://releases.hashicorp.com/terraform/${TF_VER}/terraform_${TF_VER}_linux_amd64.zip \
+    && unzip terraform_${TF_VER}_linux_amd64.zip \
+    && rm terraform_${TF_VER}_linux_amd64.zip
 RUN pip install --no-cache-dir --upgrade pip \
  && pip install --no-cache-dir \
     s3cmd==$S3CMD_VER \