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mediaproc/docs/architecture/01c-gcp-architecture.dot

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digraph gcp_architecture {
rankdir=TB
node [shape=box, style=rounded, fontname="Helvetica"]
edge [fontname="Helvetica", fontsize=10]
labelloc="t"
label="MPR - GCP Architecture (Cloud Run Jobs + GCS)"
fontsize=16
fontname="Helvetica-Bold"
graph [splines=ortho, nodesep=0.8, ranksep=0.8]
// External
subgraph cluster_external {
label="External"
style=dashed
color=gray
browser [label="Browser\nmpr.mcrn.ar", shape=ellipse]
}
// Nginx reverse proxy
subgraph cluster_proxy {
label="Reverse Proxy"
style=filled
fillcolor="#e8f4f8"
nginx [label="nginx\nport 80"]
}
// Application layer
subgraph cluster_apps {
label="Application Layer"
style=filled
fillcolor="#f0f8e8"
django [label="Django Admin\n/admin\nport 8701"]
fastapi [label="GraphQL API\n/graphql\nport 8702"]
timeline [label="Timeline UI\n/\nport 5173"]
}
// Data layer (still local)
subgraph cluster_data {
label="Data Layer"
style=filled
fillcolor="#f8e8f0"
postgres [label="PostgreSQL\nport 5436", shape=cylinder]
}
// GCP layer
subgraph cluster_gcp {
label="Google Cloud"
style=filled
fillcolor="#e8f0fd"
cloud_run_job [label="Cloud Run Job\nFFmpeg container\ntranscoding"]
gcs [label="GCS Buckets\n(S3-compat API)", shape=folder]
bucket_in [label="mpr-media-in/\ninput videos", shape=note]
bucket_out [label="mpr-media-out/\ntranscoded output", shape=note]
}
// Connections
browser -> nginx [label="HTTP"]
nginx -> django [xlabel="/admin"]
nginx -> fastapi [xlabel="/graphql"]
nginx -> timeline [xlabel="/"]
timeline -> fastapi [label="GraphQL"]
django -> postgres
fastapi -> postgres [label="read/write jobs"]
fastapi -> cloud_run_job [label="google-cloud-run\nrun_job() + payload\nexecution_name"]
cloud_run_job -> gcs [label="S3 compat (HMAC)\ndownload input\nupload output"]
cloud_run_job -> fastapi [label="POST /jobs/{id}/callback\nupdate status"]
fastapi -> postgres [label="callback updates\njob status"]
gcs -> bucket_in [style=dotted, arrowhead=none]
gcs -> bucket_out [style=dotted, arrowhead=none]
}