Switched to lambci/lambda image

Author: michallorens

Dockerfile

@@ -1,6 +1,6 @@
-FROM amazonlinux
-ARG PYTHON_VERSION=37
+ARG PYTHON_VERSION=3.8
+FROM lambci/lambda:build-python${PYTHON_VERSION}
 ENV PYTHON_VERSION=${PYTHON_VERSION}
-RUN yum -y install zip jq python${PYTHON_VERSION}
+RUN yum -y install zip jq
 COPY pip_install.sh /pip_install.sh
-ENTRYPOINT ["./pip_install.sh"]
+ENTRYPOINT ["/pip_install.sh"]

pip_install.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
-DIR="/libs/python/lib/python$PYTHON_VERSION/site-packages"
+DIR="libs/python/lib/python$PYTHON_VERSION/site-packages"
 pip3 install "$@" --target "$DIR"
-zip -r libraries.zip pip/
+zip -r /libraries.zip libs

variables.tf

@@ -11,5 +11,5 @@ variable bucket {
 variable python_version {
   type        = string
   description = "Python version to build lambda layer with."
-  default     = "python3.7"
+  default     = "python3.8"
 }