From 6e835c83eb92f58b21c5588334c1d049c52f8de1 Mon Sep 17 00:00:00 2001
From: zwitschi <zwitschi82@gmail.com>
Date: Fri, 14 Nov 2025 14:12:02 +0100
Subject: [PATCH] fix(Dockerfile): implement fallback mechanisms for apt update
 and install

---
 Dockerfile | 42 ++++++++++++++++++++++++++++++++++++++----
 1 file changed, 38 insertions(+), 4 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index ad19e2f..a023964 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,8 +41,25 @@ if url:
         finally:
             sock.close()
 PY
-apt-get update
-apt-get install -y --no-install-recommends build-essential gcc libpq-dev
+APT_PROXY_CONFIG=/etc/apt/apt.conf.d/01proxy
+
+apt_update_with_fallback() {
+    if ! apt-get update; then
+        rm -f "$APT_PROXY_CONFIG"
+        apt-get update
+    fi
+}
+
+apt_install_with_fallback() {
+    if ! apt-get install -y --no-install-recommends "$@"; then
+        rm -f "$APT_PROXY_CONFIG"
+        apt-get update
+        apt-get install -y --no-install-recommends "$@"
+    fi
+}
+
+apt_update_with_fallback
+apt_install_with_fallback build-essential gcc libpq-dev
 pip install --upgrade pip
 pip wheel --no-deps --wheel-dir /wheels -r requirements.txt
 apt-get purge -y --auto-remove build-essential gcc
@@ -88,8 +105,25 @@ if url:
         finally:
             sock.close()
 PY
-apt-get update
-apt-get install -y --no-install-recommends libpq5
+APT_PROXY_CONFIG=/etc/apt/apt.conf.d/01proxy
+
+apt_update_with_fallback() {
+    if ! apt-get update; then
+        rm -f "$APT_PROXY_CONFIG"
+        apt-get update
+    fi
+}
+
+apt_install_with_fallback() {
+    if ! apt-get install -y --no-install-recommends "$@"; then
+        rm -f "$APT_PROXY_CONFIG"
+        apt-get update
+        apt-get install -y --no-install-recommends "$@"
+    fi
+}
+
+apt_update_with_fallback
+apt_install_with_fallback libpq5
 rm -rf /var/lib/apt/lists/*
 EOF