ci: add base pipeline with deps cache and pre-commit

.drone.yml

@@ -0,0 +1,67 @@
+---
+kind: pipeline
+type: docker
+name: build
+
+trigger:
+  ref:
+    - refs/heads/**
+    - refs/tags/v*
+environment:
+  REGISTRY_HOST: https://git.roboces.dev
+  DESTINATION_PREFIX: git.roboces.dev/catalin/halig
+  PRE_COMMIT_HOME: /drone/src/.cache/.pre-commit
+
+steps:
+- name: restore cache
+  image: meltwater/drone-cache
+  pull: true
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: AWS_ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: AWS_SECRET_ACCESS_KEY
+  settings:
+    restore: true
+    bucket: halig-cache
+    endpoint: https://s3.fukurokuju.dev
+    region: us-east-1
+    path_style: true
+    mount:
+      - .venv
+      - .cache/.pre-commit
+
+- name: install dependencies
+  pull: true
+  image: git.roboces.dev/catalin/poetry:beta
+  commands:
+    - poetry config virtualenvs.in-project 1
+    - poetry install --with linters
+
+- name: lint
+  pull: true
+  image: git.roboces.dev/catalin/poetry:beta
+  commands:
+    - .venv/bin/pre-commit run --all-files --color always
+
+- name: rebuild cache
+  image: meltwater/drone-cache
+  pull: true
+  environment:
+    AWS_ACCESS_KEY_ID:
+      from_secret: AWS_ACCESS_KEY_ID
+    AWS_SECRET_ACCESS_KEY:
+      from_secret: AWS_SECRET_ACCESS_KEY
+  settings:
+    rebuild: true
+    path_style: true
+    bucket: halig-cache
+    endpoint: https://s3.fukurokuju.dev
+    region: us-east-1
+    mount:
+      - .venv
+      - .cache/.pre-commit
+  when:
+    status:
+      - failure
+      - success

Dockerfile

@@ -1,19 +0,0 @@
-FROM python:3.10-alpine
-
-RUN apk add --no-cache \
-      curl \
-      gcc \
-      libressl-dev \
-      musl-dev \
-      libffi-dev \
-    && curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile=minimal \
-    && source $HOME/.cargo/env \
-    && curl -sSL https://install.python-poetry.org | python3 - --preview \
-    && ln -fs /root/.local/bin/poetry /usr/local/bin \
-    && rm -rf /root/.rustup \
-    && apk del \
-        curl \
-        gcc \
-        libressl-dev \
-        musl-dev \
-        libffi-dev

README.md

@@ -1,2 +1 @@
 # halig
-