Fix trailing blank line in dev only Dockerfile (#196)

Author: coretl

template/Dockerfile.jinja

@@ -10,8 +10,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 # Set up a virtual environment and put it in PATH
 RUN python -m venv /venv
-ENV PATH=/venv/bin:$PATH
-{% if docker %}
+ENV PATH=/venv/bin:$PATH{% if docker %}
+
 # The build stage installs the context into the venv
 FROM developer as build
 COPY . /context

tests/test_example.py

@@ -114,10 +114,12 @@ def test_template_no_docs(tmp_path: Path):
     run("./venv/bin/tox -p")
 
 
-def test_template_no_docker_has_no_docs(tmp_path: Path):
+def test_template_no_docker_has_no_docs_and_works(tmp_path: Path):
     copy_project(tmp_path, docker=False)
     container_doc = tmp_path / "docs" / "how-to" / "run-container.md"
     assert not container_doc.exists()
+    run = make_venv(tmp_path)
+    run("./venv/bin/tox -p")
 
 
 def test_bad_repo_name(tmp_path: Path):