From a0b956b24285d8d4f925fd7b7fbc911b8057ed63 Mon Sep 17 00:00:00 2001
From: Daniel Rosel <daniel@alves.world>
Date: Sat, 6 Dec 2025 18:04:18 +0100
Subject: [PATCH] chore: rewriting airflow for railway

---
 docker-compose.yml                   | 18 ------------
 docker/Airflow.dockerfile            |  7 +++++
 docker/Airflow.railway.dockerfile    | 41 ++++++++++++++++++++++++++++
 docker/airflow-railway-entrypoint.sh | 20 ++++++++++++++
 4 files changed, 68 insertions(+), 18 deletions(-)
 create mode 100644 docker/Airflow.railway.dockerfile
 create mode 100644 docker/airflow-railway-entrypoint.sh

diff --git a/docker-compose.yml b/docker-compose.yml
index 86e882b..801b486 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -103,12 +103,6 @@ services:
       - _AIRFLOW_WWW_USER_PASSWORD=admin
       - REDIS_HOST=redis
       - REDIS_PORT=6379
-    volumes:
-      - ./experiments/airflow/dags:/opt/airflow/dags
-      - ./experiments/airflow/logs:/opt/airflow/logs
-      - ./experiments/airflow/plugins:/opt/airflow/plugins
-      - ./experiments/procesing:/opt/airflow/procesing
-      - ./lib:/opt/airflow/lib
     command: version
     restart: "no"
 
@@ -138,12 +132,6 @@ services:
       - REDIS_PORT=6379
     ports:
       - "${AIRFLOW_WEBSERVER_PORT:-8085}:8080"
-    volumes:
-      - ./experiments/airflow/dags:/opt/airflow/dags:ro
-      - ./experiments/airflow/logs:/opt/airflow/logs
-      - ./experiments/airflow/plugins:/opt/airflow/plugins:ro
-      - ./experiments/procesing:/opt/airflow/procesing:ro
-      - ./lib:/opt/airflow/lib:ro
     command: webserver
     restart: unless-stopped
     healthcheck:
@@ -177,12 +165,6 @@ services:
       - NEXT_PUBLIC_SUPABASE_ANON_KEY=${NEXT_PUBLIC_SUPABASE_ANON_KEY}
       - REDIS_HOST=redis
       - REDIS_PORT=6379
-    volumes:
-      - ./experiments/airflow/dags:/opt/airflow/dags:ro
-      - ./experiments/airflow/logs:/opt/airflow/logs
-      - ./experiments/airflow/plugins:/opt/airflow/plugins:ro
-      - ./experiments/procesing:/opt/airflow/procesing:ro
-      - ./lib:/opt/airflow/lib:ro
     command: scheduler
     restart: unless-stopped
     healthcheck:
diff --git a/docker/Airflow.dockerfile b/docker/Airflow.dockerfile
index 5b11cc9..9dd2bbe 100644
--- a/docker/Airflow.dockerfile
+++ b/docker/Airflow.dockerfile
@@ -21,3 +21,10 @@ RUN pip install --no-cache-dir \
 
 # set airflow home
 ENV AIRFLOW_HOME=/opt/airflow
+
+COPY --chown=airflow:root experiments/airflow/dags ${AIRFLOW_HOME}/dags
+COPY --chown=airflow:root experiments/procesing ${AIRFLOW_HOME}/procesing
+COPY --chown=airflow:root lib ${AIRFLOW_HOME}/lib
+
+# create logs and plugins dirs (airflow expects them)
+RUN mkdir -p ${AIRFLOW_HOME}/logs ${AIRFLOW_HOME}/plugins
diff --git a/docker/Airflow.railway.dockerfile b/docker/Airflow.railway.dockerfile
new file mode 100644
index 0000000..66f6ce3
--- /dev/null
+++ b/docker/Airflow.railway.dockerfile
@@ -0,0 +1,41 @@
+FROM apache/airflow:2.7.3-python3.11
+
+USER root
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    supervisor \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+USER airflow
+
+COPY requirements.txt /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
+
+RUN pip install --no-cache-dir \
+    psycopg2-binary \
+    apache-airflow-providers-postgres
+
+ENV AIRFLOW_HOME=/opt/airflow
+ENV AIRFLOW__CORE__EXECUTOR=SequentialExecutor
+ENV AIRFLOW__CORE__LOAD_EXAMPLES=false
+ENV AIRFLOW__CORE__ENABLE_XCOM_PICKLING=true
+ENV AIRFLOW__WEBSERVER__EXPOSE_CONFIG=true
+
+# copy all code into image (standalone - no volume mounts needed)
+COPY --chown=airflow:root experiments/airflow/dags ${AIRFLOW_HOME}/dags
+COPY --chown=airflow:root experiments/procesing ${AIRFLOW_HOME}/procesing
+COPY --chown=airflow:root lib ${AIRFLOW_HOME}/lib
+
+RUN mkdir -p ${AIRFLOW_HOME}/logs ${AIRFLOW_HOME}/plugins
+
+# copy entrypoint script
+COPY --chown=airflow:root docker/airflow-railway-entrypoint.sh /entrypoint.sh
+USER root
+RUN chmod +x /entrypoint.sh
+USER airflow
+
+EXPOSE 8080
+
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/docker/airflow-railway-entrypoint.sh b/docker/airflow-railway-entrypoint.sh
new file mode 100644
index 0000000..f2d11d9
--- /dev/null
+++ b/docker/airflow-railway-entrypoint.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+set -e
+
+# init db and create admin user on first run
+airflow db migrate
+
+# create admin user if not exists
+airflow users create \
+    --username "${AIRFLOW_ADMIN_USER:-admin}" \
+    --password "${AIRFLOW_ADMIN_PASSWORD:-admin}" \
+    --firstname Admin \
+    --lastname User \
+    --role Admin \
+    --email admin@example.com || true
+
+# start scheduler in background
+airflow scheduler &
+
+# start webserver in foreground (Railway needs one foreground process)
+exec airflow webserver --port ${PORT:-8080}