Support running action in container (#6)

* Test action in container

* Fix for container runner

* Install curl

* Test with cypress/browsers

* Install unzip

* Remove sudo

* Install sudo

* Try debian

* Show version in test

.github/workflows/test.yaml

@@ -9,14 +9,30 @@ on:
 jobs:
   when-aws-cli-does-not-exist:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v3
       # delete preexisting one
       - run: sudo rm -fr /usr/local/aws-cli
       - uses: ./
+      - run: aws --version
 
   when-aws-cli-already-exists:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v3
       - uses: ./
+      - run: aws --version
+
+  in-container:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    container:
+      image: debian:stable
+    steps:
+      - uses: actions/checkout@v3
+      - run: apt-get update
+      - run: apt-get install -y sudo unzip curl
+      - uses: ./
+      - run: aws --version

action.yaml

@@ -0,0 +1,14 @@
+name: setup-aws-cli
+description: setup aws-cli v2
+runs:
+  using: composite
+  steps:
+    # https://docs.aws.amazon.com/cli/latest/userguide/install-cliv2-linux.html
+    - shell: bash
+      run: |
+        set -eux
+        cd "$(mktemp -d)"
+        curl -sf 'https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip' -o awscliv2.zip
+        unzip -q awscliv2.zip
+        sudo ./aws/install --update
+        aws --version