diff --git a/Dockerfile b/Dockerfile
index 73ad51c..d26c16b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,13 +8,12 @@
# The "Build" stage. Copies the entire project into the container, into the /app/ folder, and builds it.
FROM eclipse-temurin:17 AS BUILD
-RUN apt update && apt install unzip -y
COPY . /app/
WORKDIR /app/
-RUN ./mvnw -C clean test package -Pproduction
+RUN ./mvnw -C -e clean package -Pproduction
WORKDIR /app/target/
RUN ls -la
-RUN unzip *.zip -d app/
+RUN mkdir app && tar xvzf *.tar.gz -C app
# At this point, we have the app (executable bash scrip plus a bunch of jars) in the
# /app/target/app/ folder.
diff --git a/src/main/assembly/zip.xml b/src/main/assembly/zip.xml
index befddbe..d0bb0d7 100644
--- a/src/main/assembly/zip.xml
+++ b/src/main/assembly/zip.xml
@@ -4,6 +4,7 @@
zip
zip
+ tar.gz
false