Add entrypoint for supporting loading secrets from _FILE env vars

Containerfile

@@ -0,0 +1,42 @@
+ARG PYTHON_VERSION=3.12
+
+FROM docker.io/library/python:${PYTHON_VERSION} AS build
+
+ARG POETRY_VERSION=1.8.1
+
+RUN python -m pip install pip --upgrade
+RUN curl -sSL -o /install-poetry.py https://install.python-poetry.org
+RUN python /install-poetry.py --yes --version ${POETRY_VERSION}
+
+ADD . /build
+WORKDIR /build
+
+RUN /root/.local/bin/poetry self add 'poetry-plugin-export<1.9'
+RUN /root/.local/bin/poetry export \
+  --format requirements.txt \
+  --output /build/requirements.txt \
+  --without-hashes
+RUN python -m pip wheel \
+  --wheel-dir /build/wheels \
+  --requirement /build/requirements.txt \
+  --disable-pip-version-check \
+  --no-cache-dir
+
+FROM docker.io/library/python:${PYTHON_VERSION}-slim AS final
+
+COPY --from=build /build/wheels /tmp/wheels
+
+RUN python -m pip install /tmp/wheels/*.whl \
+  --upgrade \
+  --pre \
+  --no-index \
+  --no-cache-dir \
+  --find-links /tmp/wheels \
+  --disable-pip-version-check
+RUN rm -rf /tmp/wheels
+
+ADD entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+
+CMD ["--help"]

Makefile

@@ -0,0 +1,19 @@
+REPOSITORY  = vcs.enp.one/skylab/s3cmd-container
+
+
+.PHONY: help docs
+# source: https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
+help: ## List Makefile targets
+	$(info Makefile documentation)
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-10s\033[0m %s\n", $$1, $$2}'
+
+
+image:  ## Build image
+	podman build . --tag $(REPOSITORY):latest
+
+push: image  ## Build and publish image
+	podman login $(shell echo $(REPOSITORY) | cut -d '/' -f 1)
+	podman push $(REPOSITORY):latest
+
+dev:  ## Setup local dev environment
+	poetry install

README.md

@@ -13,4 +13,9 @@ following undesirable groups:
 * Hasn't been updated in years
 * Has no source code available
 * Includes usage specific scheduling functionality
-* Doesnt' support config via environment variables
+* Doesn't support config via environment variables
+
+So here we all.
+
+Usual build tooling. Run `make help` to see availabile targets, but generally 
+`make image` and `make push` to build and upload respectively.

entrypoint.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -eo pipefail
+
+if [ -z "$AWS_ACCESS_KEY_ID_FILE" ]; then
+  export AWS_ACCESS_KEY_ID
+  export AWS_ACCESS_KEY_ID=$(cat "$AWS_ACCESS_KEY_ID_FILE")
+fi
+
+if [ -z "$AWS_SECRET_ACCESS_KEY_FILE" ]; then
+  export AWS_SECRET_ACCESS_KEY
+  export AWS_SECRET_ACCESS_KEY=$(cat "$AWS_SECRET_ACCESS_KEY_FILE")
+fi
+
+s3cmd "$@"

poetry.lock

@@ -0,0 +1,57 @@
+# This file is automatically @generated by Poetry 1.8.1 and should not be changed by hand.
+
+[[package]]
+name = "python-dateutil"
+version = "2.9.0.post0"
+description = "Extensions to the standard Python datetime module"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
+files = [
+    {file = "python-dateutil-2.9.0.post0.tar.gz", hash = "sha256:37dd54208da7e1cd875388217d5e00ebd4179249f90fb72437e91a35459a0ad3"},
+    {file = "python_dateutil-2.9.0.post0-py2.py3-none-any.whl", hash = "sha256:a8b2bc7bffae282281c8140a97d3aa9c14da0b136dfe83f850eea9a5f7470427"},
+]
+
+[package.dependencies]
+six = ">=1.5"
+
+[[package]]
+name = "python-magic"
+version = "0.4.27"
+description = "File type identification using libmagic"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+files = [
+    {file = "python-magic-0.4.27.tar.gz", hash = "sha256:c1ba14b08e4a5f5c31a302b7721239695b2f0f058d125bd5ce1ee36b9d9d3c3b"},
+    {file = "python_magic-0.4.27-py2.py3-none-any.whl", hash = "sha256:c212960ad306f700aa0d01e5d7a325d20548ff97eb9920dcd29513174f0294d3"},
+]
+
+[[package]]
+name = "s3cmd"
+version = "2.4.0"
+description = "Command line tool for managing Amazon S3 and CloudFront services"
+optional = false
+python-versions = "*"
+files = [
+    {file = "s3cmd-2.4.0-py2.py3-none-any.whl", hash = "sha256:13ad8a44d44cc0535ba8c878c91fd68cd830dc48f6388722fa44a7aaf3f18017"},
+    {file = "s3cmd-2.4.0.tar.gz", hash = "sha256:6b567521be1c151323f2059c8feec85ded96b6f184ff80535837fea33798b40b"},
+]
+
+[package.dependencies]
+python-dateutil = "*"
+python-magic = "*"
+
+[[package]]
+name = "six"
+version = "1.16.0"
+description = "Python 2 and 3 compatibility utilities"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
+files = [
+    {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
+    {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
+]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.10"
+content-hash = "05345206c0052aef79fd8332a8e3b14f9b815e4e1a0ae08f9e4e09a14e824c1d"

pyproject.toml

@@ -0,0 +1,11 @@
+[tool.poetry]
+name = "s3cmd-container"
+package-mode = false
+description = "Container with s3cmd inside"
+authors = ["Ethan Paul <e@enp.one>"]
+license = "MIT"
+
+[tool.poetry.dependencies]
+python = "^3.10"
+s3cmd = "^2.4.0"
+