Initial commit

contains:
* Actual template
* Example function
* Tests
* Integration test (make file)
* Integration tests (deployed as lambda)
* drone CI and CI scripts

ci/cleanup.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Delete a deployed environment after a merge
+# checks parent commits for environment/<env>.env
+
+PROTECTED=master
+
+function try_and_delete_environment () {
+  if [ -f "environments/${1}.env" ]; then
+    make delete env="${1}"
+    exit 0
+  fi
+}
+
+MERGED_ENVIRONMENT="${DRONE_SOURCE_BRANCH##*/}"
+if [[ ! "$MERGED_ENVIRONMENT" =~ $PROTECTED ]]; then
+  try_and_delete_environment "$MERGED_ENVIRONMENT"
+
+  echo "Checking out parent commits for env file"
+  for PARENT in $(git log --pretty=%P -n 1 | tac -s ' '); do
+    git checkout "$PARENT"
+    try_and_delete_environment "$MERGED_ENVIRONMENT"
+  done
+fi

ci/deploy.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+PROTECTED=master
+
+ENVIRONMENT="${DRONE_BRANCH##*/}"
+[ -z "$ENVIRONMENT" ] && ENVIRONMENT="$DRONE_TAG"
+
+if [[ "$ENVIRONMENT" =~ $PROTECTED ]] && [ "$ENVIRONMENT" != "$DRONE_BRANCH" ] ; then
+  echo "Can only deploy to $PROTECTED from named branches"
+  unset ENVIRONMENT
+fi
+
+if [ -f "environments/${ENVIRONMENT}.env" ] ; then
+  make all "env=${ENVIRONMENT}"
+else
+  make all env=ci
+  make delete env=ci
+fi