Add Versioning to build process

.circleci/config.yml

@@ -8,25 +8,26 @@ jobs:
       docker_layer_caching: false
     resource_class: arm.medium
     steps:
+      - checkout
       - run: 
-          name: Setup Custom Environment Variables
+          name: Setup Custom Environment Variables & Add Version
           command: |
             echo "export REPO_NAME=$(printf '%s\n' \"${CIRCLE_PROJECT_REPONAME,,}\")" >> $BASH_ENV && \
             echo "export USER=$(printf '%s\n' \"${CIRCLE_PROJECT_USERNAME,,}\")" >> $BASH_ENV && \
-            echo "export VERSION=$CIRCLE_TAG" >> $BASH_ENV && \
-            echo "export TIMESTAMP=$(date --rfc-3339=seconds | sed 's/[ :+]/-/g')" >> $BASH_ENV
-      - checkout
+            export VERSION=${CIRCLE_TAG:-NIGHTLY.$(date --rfc-3339=seconds | sed 's/[ :+]/-/g')} && \
+            echo "export VERSION=$VERSION" >> $BASH_ENV && \
+            echo $VERSION > version.txt
       - docker/check:
           docker-username: CIRCLE_PROJECT_USERNAME
           registry: ghcr.io
       - docker/build:
           image: $USER/$REPO_NAME
-          tag: ${VERSION:-NIGHTLY.$TIMESTAMP}
+          tag: $VERSION
           registry: ghcr.io
       - docker/push:
           digest-path: /tmp/digest.txt
           image: $USER/$REPO_NAME
-          tag: ${VERSION:-NIGHTLY.$TIMESTAMP}
+          tag: $VERSION
           registry: ghcr.io
       - run:
           command: |

Dockerfile

@@ -23,6 +23,8 @@ COPY --from=base /usr/local/bin/gunicorn /usr/local/bin/gunicorn
 
 COPY ./*.py /app/
 
+COPY ./*.txt /app/
+
 COPY ./scripts/download_hitran.py .
 
 CMD gunicorn --bind 0.0.0.0:5000 wsgi:app

app.py

@@ -16,12 +16,18 @@
 
 app = Flask(__name__)
 CORS(app)
-
+try:
+	with open("version.txt","r") as f:
+		version = f.read()
+		app.config["VERSION"] = version
+except:
+     print("no version file found")
 
 @app.route("/", methods=["GET"])
 def ftir() -> str:
-    return "<h1 style='color:blue'>Raston Lab FTIR API</h1>"
-
+    if "VERSION" not in app.config:
+      app.config["VERSION"] = "0.0.0"
+    return "<h1 style='color:blue'>Raston Lab FTIR API%s</h1>" % (" - Version "+app.config["VERSION"])
 
 @app.route("/spectrum", methods=["POST"])
 def spectrum() -> dict[bool, list[float], list[float]]: