Upgrade packer to 1.8.3 (#53)

docker/Dockerfile

@@ -12,8 +12,7 @@ FROM debian:11.4-slim
 #Base
 RUN apt-get update -y && \
     apt-get install -y git curl openssl pip make unzip gpg wget && \
-    apt-get install -y ansible=2.10.7+merged+base+2.10.8+dfsg-1 && \
-    apt-get install -y packer=1.6.6+ds1-2+b3
+    apt-get install -y ansible=2.10.7+merged+base+2.10.8+dfsg-1
 
 RUN pip --no-cache-dir install -U pip
 
@@ -77,6 +76,10 @@ RUN /usr/src/install-scripts/helm.sh --version="v3.9.2" --sha="3f5be38068a182967
 COPY --from=tf-prepare-builder /workspace/tf-prepare /usr/local/bin/tf-prepare
 RUN chmod +x /usr/local/bin/tf-prepare
 
+# Install packer
+COPY install-scripts/packer.sh /usr/src/install-scripts/packer.sh
+RUN /usr/src/install-scripts/packer.sh --version="1.8.3" --sha="0587f7815ed79589cd9c2b754c82115731c8d0b8fd3b746fe40055d969facba5"
+
 #Cleanup
 RUN apt-get autoremove && \
     apt-get clean

docker/install-scripts/packer.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+set -e
+
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --version=*)
+      VERSION="${1#*=}"
+      ;;
+    --sha=*)
+      SHA="${1#*=}"
+      ;;
+    *)
+      echo "Error: Invalid argument."
+      exit 1
+  esac
+  shift
+done
+
+wget https://releases.hashicorp.com/packer/${VERSION}/packer_${VERSION}_linux_amd64.zip
+DOWNLOAD_SHA=$(openssl sha1 -sha256 packer_${VERSION}_linux_amd64.zip | awk '{print $2}')
+if [[ "${SHA}" != "${DOWNLOAD_SHA}" ]]; then
+    echo "Downloaded checksum (${DOWNLOAD_SHA}) does not match expected value: ${SHA}"
+    exit 1
+fi
+
+unzip packer_${VERSION}_linux_amd64.zip
+rm packer_${VERSION}_linux_amd64.zip
+chmod +x packer
+mv packer /usr/local/bin/packer