Pin dependencies

.drone.yml

@@ -43,7 +43,7 @@ depends_on:
 
 steps:
   - name: docker-publish
-    image: plugins/docker:20.17.3
+    image: plugins/docker:20.17.3@sha256:7cb19d23e35e1603ae437cc41cc064c95a997a8776d63a555990967668ea7c5c
     settings:
       registry: git.wtf-eg.de
       repo: git.wtf-eg.de/kompetenzinventar/backend
@@ -70,7 +70,7 @@ depends_on:
 
 steps:
   - name: deploy-dev
-    image: appleboy/drone-ssh:1.7.5
+    image: appleboy/drone-ssh:1.7.5@sha256:995677e073454912f26d4c0fdd2f9df2e1f5a30d6603d3f2ece667311b6babb3
     settings:
       host:
         - dev01.wtf-eg.net
@@ -105,7 +105,7 @@ steps:
       - pipenv run reuse lint
       - pipenv run python -m unittest discover ki
   - name: docker-publish
-    image: plugins/docker:20.17.3
+    image: plugins/docker:20.17.3@sha256:7cb19d23e35e1603ae437cc41cc064c95a997a8776d63a555990967668ea7c5c
     settings:
       registry: git.wtf-eg.de
       repo: git.wtf-eg.de/kompetenzinventar/backend

Pipfile

@@ -8,22 +8,22 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-flask = "~=2.0.1"
-python-dotenv = "~=0.17.1"
-flask-migrate = "~=3.0.1"
-flask-sqlalchemy  = "~=2.5.1"
-sqlalchemy = "~=1.4.18"
-waitress = "~=2.0.0"
-pyyaml = "~=6.0.1"
-flask-cors = "~=3.0.10"
-ldap3 = "~=2.9"
-pymysql = "~=1.0.2"
+flask = "==2.0.3"
+python-dotenv = "==0.17.1"
+flask-migrate = "==3.0.1"
+flask-sqlalchemy  = "==2.5.1"
+sqlalchemy = "==1.4.53"
+waitress = "==2.0.0"
+pyyaml = "==6.0.2"
+flask-cors = "==3.0.10"
+ldap3 = "==2.9.1"
+pymysql = "==1.0.3"
 
 [dev-packages]
-flake8 = "~=3.9.2"
-yapf = "~=0.31.0"
-pre-commit = "~=2.13.0"
-reuse = "~=0.13.0"
+flake8 = "==3.9.2"
+yapf = "==0.31.0"
+pre-commit = "==2.13.0"
+reuse = "==0.13.0"
 
 [requires]
 python_version = "3.8"