Revert "Bake git SHA into image so /health reports it under Coolify source builds"

This reverts commit 5c07499e99.

Dockerfile

@@ -2,17 +2,6 @@
 
 ARG PYTHON_VERSION=3.12-slim
 
-# Resolve the git SHA from the build context's .git checkout. Coolify builds
-# from source and sets SOURCE_COMMIT to the literal "unknown", so the CI
-# GIT_SHA build-arg isn't present on those builds — this stage recovers it.
-FROM python:${PYTHON_VERSION} AS gitsha
-WORKDIR /src
-RUN apt-get update \
- && apt-get install -y --no-install-recommends git \
- && rm -rf /var/lib/apt/lists/*
-COPY .git ./.git
-RUN git rev-parse --short=12 HEAD > /git_sha 2>/dev/null || echo unknown > /git_sha
-
 FROM python:${PYTHON_VERSION} AS builder
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
@@ -46,7 +35,6 @@ RUN apt-get update \
  && useradd --create-home --shell /bin/sh --uid 1000 app
 
 COPY --from=builder /opt/venv /opt/venv
-COPY --from=gitsha /git_sha /etc/git_sha
 
 WORKDIR /srv/app
 COPY app/ ./app/

scripts/entrypoint.sh

@@ -1,15 +1,6 @@
 #!/bin/sh
 set -eu
 
-# Fall back to the git SHA baked into the image at build time when the runtime
-# env didn't supply a real one. Coolify builds from source and injects
-# SOURCE_COMMIT="unknown", so without this /health would always report
-# image_sha="unknown".
-if [ -z "${APP_GIT_SHA:-}" ] || [ "${APP_GIT_SHA}" = "unknown" ]; then
-  APP_GIT_SHA="$(cat /etc/git_sha 2>/dev/null || echo unknown)"
-  export APP_GIT_SHA
-fi
-
 ROLE="${APP_ROLE:-gateway}"
 
 case "$ROLE" in