Building the Dockerfile fails

```
docker build -t cloudmapper .

[+] Building 3.1s (8/12)
=> [internal] load build definition from Dockerfile 0.0s
=> => transferring dockerfile: 86B 0.0s
=> [internal] load .dockerignore 0.0s
=> => transferring context: 83B 0.0s
=> [internal] load metadata for docker.io/library/python:3.7-slim 1.9s
=> [1/8] FROM docker.io/library/python:3.7-slim@sha256:ebc447a481b94b3afe2587ccdcc0128c3175fcfeb89ee33461a562b41310d403 0.0s
=> [internal] load build context 0.0s
=> => transferring context: 21.94kB 0.0s
=> CACHED [2/8] WORKDIR /opt/cloudmapper 0.0s
=> CACHED [3/8] RUN apt-get update -y 0.0s
=> ERROR [4/8] RUN apt-get install -y build-essential autoconf automake libtool python3.7-dev python3-tk jq awscli 1.1s
------
> [4/8] RUN apt-get install -y build-essential autoconf automake libtool python3.7-dev python3-tk jq awscli:
#7 0.204 Reading package lists...
#7 0.777 Building dependency tree...
#7 0.913 Reading state information...
#7 1.096 E: Unable to locate package python3.7-dev
#7 1.096 E: Couldn't find any package by glob 'python3.7-dev'
#7 1.096 E: Couldn't find any package by regex 'python3.7-dev'
------
executor failed running [/bin/sh -c apt-get install -y build-essential autoconf automake libtool python3.7-dev python3-tk jq awscli]: exit code: 100
```