[ci] Remove the docker-based CI files (#95)

Before we started using GH Actions, the CI was based on docker compose
files.
This PR removes these Dockerfile and Docker compose definitions.

.gitignore

@@ -10,4 +10,5 @@ xcuserdata
 Package.resolved
 .serverless
 .devcontainer
-.amazonq
+.amazonq
+.ash

docker/Dockerfile

@@ -1,20 +0,0 @@
-ARG swift_version=5.8
-ARG base_image=swift:$swift_version-amazonlinux2
-FROM $base_image
-# needed to do again after FROM due to docker limitation
-ARG swift_version
-
-# dependencies
-RUN yum install -y wget perl-Digest-SHA
-RUN yum install -y lsof dnsutils netcat-openbsd net-tools curl jq # used by integration tests
-
-# tools
-RUN mkdir -p $HOME/.tools
-RUN echo 'export PATH="$HOME/.tools:$PATH"' >> $HOME/.profile
-
-# swiftformat (until part of the toolchain)
-
-ARG swiftformat_version=0.50.1
-RUN git clone --branch $swiftformat_version --depth 1 https://github.com/nicklockwood/SwiftFormat $HOME/.tools/swift-format
-RUN cd $HOME/.tools/swift-format && swift build -c release
-RUN ln -s $HOME/.tools/swift-format/.build/release/swiftformat $HOME/.tools/swiftformat

docker/docker-compose.al2.510.yaml

@@ -1,21 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: swift-aws-lambda-events:al2-5.10
-    build:
-      args:
-        base_image: "swiftlang/swift:nightly-5.10-amazonlinux2"
-
-  soundness:
-    image: swift-aws-lambda-events:al2-5.10
-
-  test:
-    image: swift-aws-lambda-events:al2-5.10
-
-  test-samples:
-    image: swift-aws-lambda-events:al2-5.10
-
-  shell:
-    image: swift-aws-lambda-events:al2-5.10

docker/docker-compose.al2.58.yaml

@@ -1,21 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: swift-aws-lambda-events:al2-5.8
-    build:
-      args:
-        swift_version: "5.8"
-
-  soundness:
-    image: swift-aws-lambda-events:al2-5.8
-
-  test:
-    image: swift-aws-lambda-events:al2-5.8
-
-  test-samples:
-    image: swift-aws-lambda-events:al2-5.8
-
-  shell:
-    image: swift-aws-lambda-events:al2-5.8

docker/docker-compose.al2.59.yaml

@@ -1,21 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: swift-aws-lambda-events:al2-5.9
-    build:
-      args:
-        swift_version: "5.9"
-
-  soundness:
-    image: swift-aws-lambda-events:al2-5.9
-
-  test:
-    image: swift-aws-lambda-events:al2-5.9
-
-  test-samples:
-    image: swift-aws-lambda-events:al2-5.9
-
-  shell:
-    image: swift-aws-lambda-events:al2-5.9

docker/docker-compose.al2.main.yaml

@@ -1,21 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: swift-aws-lambda-events:al2-main
-    build:
-      args:
-        base_image: "swiftlang/swift:nightly-main-amazonlinux2"
-
-  soundness:
-    image: swift-aws-lambda-events:al2-main
-
-  test:
-    image: swift-aws-lambda-events:al2-main
-
-  test-samples:
-    image: swift-aws-lambda-events:al2-main
-
-  shell:
-    image: swift-aws-lambda-events:al2-main

docker/docker-compose.yaml

@@ -1,44 +0,0 @@
-# this file is not designed to be run directly
-# instead, use the docker-compose.<os>.<swift> files
-# eg docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.al2.57.yaml run test
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: swift-aws-lambda:default
-    build:
-      context: .
-      dockerfile: Dockerfile
-
-  common: &common
-    image: swift-aws-lambda:default
-    depends_on: [runtime-setup]
-    volumes:
-      - ~/.ssh:/root/.ssh
-      - ..:/code:z
-    working_dir: /code
-    cap_drop:
-      - CAP_NET_RAW
-      - CAP_NET_BIND_SERVICE
-
-  soundness:
-    <<: *common
-    command: /bin/bash -cl "./scripts/soundness.sh"
-
-  test:
-    <<: *common
-    command: /bin/bash -cl "swift test --enable-test-discovery -Xswiftc -warnings-as-errors $${SANITIZER_ARG-}"
-
-  test-samples:
-    <<: *common
-    command: >-
-      /bin/bash -clx "
-      swift build --package-path Examples/Simple
-      "
-
-  # util
-
-  shell:
-    <<: *common
-    entrypoint: /bin/bash