Allow AWSCLI_VERSION to be set from the environment

Resolves grafana/k6#1916 (comment)

.github/workflows/packager.yml

@@ -12,6 +12,10 @@ defaults:
 jobs:
   publish-packager:
     runs-on: ubuntu-latest
+    env:
+      VERSION: 0.0.1
+      AWSCLI_VERSION: 2.1.36
+      DOCKER_IMAGE_ID: k6io/k6packager
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
@@ -20,9 +24,6 @@ jobs:
           cd packaging
           docker-compose build packager
       - name: Publish
-        env:
-          VERSION: 0.0.1
-          DOCKER_IMAGE_ID: k6io/k6packager
         run: |
           echo "$***REMOVED******REMOVED*** secrets.CR_PAT ***REMOVED******REMOVED***" | docker login https://ghcr.io -u $***REMOVED******REMOVED*** github.actor ***REMOVED******REMOVED*** --password-stdin
           docker tag "$DOCKER_IMAGE_ID" "ghcr.io/$***REMOVED***DOCKER_IMAGE_ID***REMOVED***:$***REMOVED***VERSION***REMOVED***"

packaging/Dockerfile

@@ -9,15 +9,15 @@ RUN apt-get update -y && \
 
 COPY ./awscli-key.gpg .
 
-ARG AWSCLI_VERSION=2.1.35
+ARG AWSCLI_VERSION
 
 # Download awscli, check GPG signature and install.
 RUN export GNUPGHOME="$(mktemp -d)" && \
     gpg2 --import ./awscli-key.gpg && \
     fpr="$(gpg2 --with-colons --fingerprint aws-cli | grep '^fpr' | cut -d: -f10)" && \
     gpg2 --export-ownertrust && echo "$***REMOVED***fpr***REMOVED***:6:" | gpg2 --import-ownertrust && \
     curl -fsSL --remote-name-all \
-      "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-$***REMOVED***AWSCLI_VERSION***REMOVED***.zip"***REMOVED***,.sig***REMOVED*** && \
+      "https://awscli.amazonaws.com/awscli-exe-linux-x86_64$***REMOVED***AWSCLI_VERSION:+-$AWSCLI_VERSION***REMOVED***.zip"***REMOVED***,.sig***REMOVED*** && \
     gpg2 --verify awscli*.sig awscli*.zip && \
     unzip -q awscli*.zip && \
     ./aws/install && \

packaging/docker-compose.yml

@@ -2,7 +2,10 @@ version: '3.4'
 
 services:
   packager:
-    build: .
+    build:
+      context: .
+      args:
+        - AWSCLI_VERSION=$***REMOVED***AWSCLI_VERSION:-2.1.36***REMOVED***
     image: ghcr.io/k6io/k6packager:latest
     environment:
       - AWS_ACCESS_KEY_ID