investigating docker-ce errors

Signed-off-by: Duncan Ragsdale <88173870+Thistleman@users.noreply.github.com>

Dockerfile

@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.0.0-experimental
-FROM python:3.9-slim as base
+FROM python:3.8-slim as base
 
 SHELL ["/bin/bash", "-c"]
 

Dockerfile.worker

@@ -1,9 +1,9 @@
 # syntax=docker/dockerfile:1.0.0-experimental
-FROM python:3.9-slim as base
+FROM python:3.8-slim as base
 
 SHELL ["/bin/bash", "-c"]
 
-RUN apt-get update -qq && apt-get install -y ssh git openssl
+RUN apt-get update -qq && apt-get install -y ssh git
 
 # require a private key to access private github repositories
 ARG SSH_PRIVATE_KEY
@@ -38,8 +38,12 @@ ENV PATH="/.venv/bin:$PATH"
 
 COPY . .
 
-RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
-RUN add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+RUN apt-get update
+RUN apt-get install -y ca-certificates curl
+RUN install -m 0755 -d /etc/apt/keyrings
+RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+RUN chmod a+r /etc/apt/keyrings/docker.asc
+RUN echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" > /etc/apt/sources.list.d/docker.list
 RUN apt-get update
 
 RUN apt install -y docker-ce git