diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..cb0d94e
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,41 @@
+kind: pipeline
+name: default
+
+steps:
+  - name: docker  
+    image: plugins/docker
+    settings:
+      registry: registry.d1v3.de
+      repo: registry.d1v3.de/dnd-spellcard-builder
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      tags: latest
+      auto_tag: true
+  - name: dockerroot
+    image: plugins/docker
+    settings:
+      registry: registry.d1v3.de
+      repo: registry.d1v3.de/dnd-spellcard-builder-root
+      dockerfile: Dockerfile.root
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      tags: latest
+      auto_tag: true
+---
+kind: secret
+name: docker_username
+get:
+    path: kv/data/drone/docker
+    name: username
+---
+
+kind: secret
+name: docker_password
+get:
+    path: kv/data/drone/docker
+    name: token
+
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..6fff426
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,17 @@
+FROM python:3.8-alpine as base
+
+FROM base as builder
+RUN mkdir /install
+WORKDIR /install
+COPY requirements.txt /requirements.txt
+RUN pip install --install-option="--prefix=/install" -r /requirements.txt
+
+FROM base
+COPY --from=builder /install /usr/local
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+WORKDIR /home/appuser
+USER appuser
+
+COPY ./ ./
+ENTRYPOINT ["python", "./genspells.py"]
diff --git a/Dockerfile.root b/Dockerfile.root
new file mode 100644
index 0000000..97493dc
--- /dev/null
+++ b/Dockerfile.root
@@ -0,0 +1,14 @@
+FROM python:3.8-alpine as base
+
+FROM base as builder
+RUN mkdir /install
+WORKDIR /install
+COPY requirements.txt /requirements.txt
+RUN pip install --install-option="--prefix=/install" -r /requirements.txt
+
+FROM base
+COPY --from=builder /install /usr/local
+WORKDIR /home/appuser
+
+COPY ./ ./
+ENTRYPOINT ["python", "./genspells.py"]
diff --git a/genspells.py b/genspells.py
index de7cfaf..407c750 100644
--- a/genspells.py
+++ b/genspells.py
@@ -23,7 +23,9 @@ def get_template(name):
         line_comment_prefix="%#",
         trim_blocks=True,
         autoescape=False,
-        loader=jinja2.FileSystemLoader(os.path.abspath("templates/")),
+        loader=jinja2.FileSystemLoader(
+            os.path.abspath(os.path.join(os.path.dirname(__file__), "templates/"))
+        ),
     )
     template = latex_jinja_env.get_template(f"{name}.tex.jinja")
     return template
@@ -59,9 +61,11 @@ def main():
             spells.update(json.load(jf))
 
     if args.characterclass != "All":
-        spells = dict(filter(lambda x: args.characterclass in x[1]["classes"], spells.items()))
+        spells = dict(
+            filter(lambda x: args.characterclass in x[1]["classes"], spells.items())
+        )
 
-    spells = dict(sorted(spells.items(), key=spell_sorter(args.sort.split(','))))
+    spells = dict(sorted(spells.items(), key=spell_sorter(args.sort.split(","))))
     pages = generate_pages(spells, args.twosided)
     filename = args.output if args.output is not None else args.characterclass
     write_doc(filename, pages)
@@ -75,8 +79,8 @@ def write_doc(filename, pages):
 def generate_pages(spells, twosided=False):
     spellpages = []
     back = get_template("spellcard_back").render()
-    for i in range(0, len(spells)+9, 10):
-        spellpages.append(generate_page(list(spells.items())[i:i+10]))
+    for i in range(0, len(spells) + 9, 10):
+        spellpages.append(generate_page(list(spells.items())[i : i + 10]))
         if twosided:
             spellpages.append(back)
     if not twosided:
@@ -109,5 +113,6 @@ def latex_format(text):
     text = re.sub(r"([0-9]+)\sm", r"\1~m", text)
     return text
 
+
 if __name__ == "__main__":
     main()