fix entrypoint

Author: rochacbruno

docker/Dockerfile

@@ -59,10 +59,16 @@ ENV \
     PIP_NO_CACHE_DIR=off \
     PIP_DISABLE_PIP_VERSION_CHECK=on \
     PIP_DEFAULT_TIMEOUT=100
+ENV \
+    PORT=8000
 
 # Get build artifact wheel and install it respecting dependency versions
 WORKDIR $APP_PATH
 COPY --from=build $APP_PATH/dist/*.whl ./
 COPY --from=build $APP_PATH/constraints.txt ./
 RUN pip install ./$APP_NAME*.whl --constraint constraints.txt
-CMD ["uvicorn", "beerlog.api:api", "--host=0.0.0.0","--port=8000","--reload"]
+
+COPY ./docker/entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["uvicorn", "beerlog.api:api", "--host=0.0.0.0","--port=$PORT"]

docker/entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -e
+
+# You can put other setup logic here
+# Evaluating passed command:
+eval "exec $@"

docs/day2.md

@@ -176,7 +176,7 @@ async def add_beer(beer_in: BeerIn, response: Response):
 
 ## Rodando em um container
 
-Criando o Dockerfile
+Criando o Dockerfile em `docker/Dockerfile`
 
 
 ```dockerfile
@@ -241,20 +241,48 @@ ENV \
     PIP_NO_CACHE_DIR=off \
     PIP_DISABLE_PIP_VERSION_CHECK=on \
     PIP_DEFAULT_TIMEOUT=100
+ENV \
+    PORT=8000
 
 # Get build artifact wheel and install it respecting dependency versions
 WORKDIR $APP_PATH
 COPY --from=build $APP_PATH/dist/*.whl ./
 COPY --from=build $APP_PATH/constraints.txt ./
 RUN pip install ./$APP_NAME*.whl --constraint constraints.txt
-CMD ["uvicorn", "beerlog.api:api", "--host=0.0.0.0","--port=8000","--reload"]
+
+COPY ./docker/entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["uvicorn", "beerlog.api:api", "--host=0.0.0.0","--port=$PORT"]
+```
+
+e um `docker/entrypoint.sh`
+
+
+```sh
+#!/bin/sh
+
+set -e
+
+# You can put other setup logic here
+# Evaluating passed command:
+eval "exec $@"
 ```
 
+Para fazer o build.
 
 ```bash
 docker build -t beerlog/prod --file docker/Dockerfile .
+```
+
+Para rodar
+
+```bash
 # e
-docker run -p 8000:8000 rochacbruno/beerlog
+docker run -p 8000:8000 beerlog/prod
+
+# ou para alterar a porta
+docker run -p 8000:5000 -e PORT=5000 beerlog/prod
 ```
 
 Para a imagem de development