Add Docker image

Author: amancevice

.dockerignore

@@ -0,0 +1,2 @@
+*
+!dist

.github/workflows/docker.yml

@@ -0,0 +1,20 @@
+name: docker
+on:
+  push:
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python:
+          - 3.7
+          - 3.8
+    steps:
+      - uses: actions/checkout@v1
+      - uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - run: PYTHON_VERSION=${{ matrix.python }} docker-compose build
+      - run: docker-compose push
+        if: ${{ github.event_name == 'tag' }}

.gitignore

@@ -127,3 +127,5 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+*.iid

Dockerfile

@@ -0,0 +1,9 @@
+ARG PYTHON_VERSION=3.8
+FROM amazon/aws-lambda-python:${PYTHON_VERSION}
+ENV PYTHONPATH=/opt/python:/var/task
+EXPOSE 8000
+VOLUME /var/task
+VOLUME /opt/python
+COPY dist .
+RUN pip install *.tar.gz && rm *.tar.gz
+ENTRYPOINT [ "python", "-m", "lambda_gateway" ]

Makefile

@@ -1,25 +1,33 @@
+REPO    := amancevice/lambda-gateway-python
 SDIST   := dist/$(shell python setup.py --fullname).tar.gz
 SLEEP   := 0
 TIMEOUT := 3
 
 .PHONY: all clean test up upload
 
-all: $(SDIST)
+all: Dockerfile.3.8.iid Dockerfile.3.7.iid
 
 clean:
-	rm -rf dist
+	rm -rf dist *.iid coverage.xml
 
 test: coverage.xml
 
+up:
+	SLEEP=$(SLEEP) python -m lambda_gateway -t $(TIMEOUT) lambda_function.lambda_handler
+
 upload: $(SDIST)
 	twine upload $<
 
-up:
-	SLEEP=$(SLEEP) python -m lambda_gateway -t $(TIMEOUT) lambda_function.lambda_handler
+Dockerfile.%.iid: $(SDIST) Dockerfile
+	docker build \
+	--build-arg PYTHON_VERSION=$* \
+	--iidfile $@ \
+	--tag $(REPO):$* \
+	.
+
+$(SDIST): coverage.xml
+	python setup.py sdist
 
 coverage.xml: $(shell find lambda_gateway tests -name '*.py')
 	flake8 $^
 	pytest
-
-$(SDIST): coverage.xml
-	python setup.py sdist

docker-compose.yml

@@ -0,0 +1,12 @@
+version: '3.9'
+services:
+  lambda_gateway:
+    command: lambda_function.lambda_handler
+    image: amancevice/lambda-gateway-python:${PYTHON_VERSION:-3.8}
+    network_mode: bridge
+    environment:
+      SLEEP: ${SLEEP:-0}
+    ports:
+      - 8000
+    volumes:
+      - ./:/var/task