Reduce image size.

.gitlab-ci.yml

@@ -15,7 +15,7 @@ variables:
   DBPROJECT_USER: postgres
   DBPROJECT_PASSWORD: postgres
   DOMAIN: localhost
-  ESAP_DB_IMAGE: ${CI_REGISTRY_IMAGE}:latest
+  ESAP_DB_IMAGE: ${CI_REGISTRY_IMAGE}
 
 before_script:
   - docker version
@@ -36,7 +36,9 @@ build:
     - docker-compose -f host-files/docker-compose.yml config > host-files/docker-stack.yml
     - docker-compose -f host-files/docker-stack.yml build
     - echo ${CI_JOB_TOKEN} | docker login -u "${CI_REGISTRY_USER}" --password-stdin "${CI_REGISTRY}"
-    - docker push ${ESAP_DB_IMAGE}
+    - docker tag ${ESAP_DB_IMAGE}:latest ${ESAP_DB_IMAGE}:${CI_COMMIT_BRANCH}-${CI_COMMIT_SHORT_SHA}
+    - docker push ${ESAP_DB_IMAGE}:latest
+    - docker push ${ESAP_DB_IMAGE}:${CI_COMMIT_BRANCH}-${CI_COMMIT_SHORT_SHA}
 
 test-functional:
   stage: test

Dockerfile

 # Pull base image
-FROM python:3.9
+FROM python:3.9-slim
 
 # Set environment varibles
 ENV PYTHONDONTWRITEBYTECODE 1
@@ -8,10 +8,11 @@ ENV PYTHONUNBUFFERED 1
 WORKDIR /code/
 
 # Install Poetry
-RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | POETRY_HOME=/opt/poetry python && \
-    cd /usr/local/bin && \
-    ln -s /opt/poetry/bin/poetry && \
-    poetry config virtualenvs.create false
+RUN apt-get update && apt-get install -y curl libpq-dev gcc
+RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | POETRY_HOME=/opt/poetry python \
+ && cd /usr/local/bin \
+ && ln -s /opt/poetry/bin/poetry \
+ && poetry config virtualenvs.create false
 
 # Copy poetry.lock* in case it doesn't exist in the repo
 COPY ./pyproject.toml ./poetry.lock* /code/

host-files/docker-compose.yml

@@ -3,7 +3,7 @@ version: "3"
 services:
 
   esap-db:
-    image: ${ESAP_DB_IMAGE:-esap-db:latest}
+    image: ${ESAP_DB_IMAGE:-esap-db}:latest
     container_name: esap-db
     stdin_open: true  # docker run -i
     tty: true         # docker run -t