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Initial scaffold: navi-backend + navi-traffic (extraction #1)

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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Matt Johnson 2026-05-21 22:11:10 -06:00
commit dfd1d38405
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44
backend/deploy/nginx/navi-traffic.conf.snippet Normal file
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# =============================================================================
# navi-traffic — nginx integration for the navi.echo6.co vhost
#
# Two parts, both required. Behavior-neutral with respect to the existing
# `location /api/` proxy: only /api/traffic/* requests change path (they now go
# to the navi-traffic service on :8421 and get an nginx cache layer).
# =============================================================================
# -----------------------------------------------------------------------------
# (A) NEW FILE: /etc/nginx/conf.d/traffic-cache.conf
# http{} context (conf.d/* is included there). Defines the proxy_cache zone
# consumed by section (B). Mirrors the existing satellite-cache.conf and
# dem-cache.conf pattern verified in Phase 0.
# -----------------------------------------------------------------------------
proxy_cache_path /mnt/nav/tile-cache/traffic levels=1:2
keys_zone=traffic_cache:10m
max_size=10g
inactive=24h
use_temp_path=off;
# -----------------------------------------------------------------------------
# (B) EDIT: /etc/nginx/sites-available/navi.echo6.co
# Add the location block below INSIDE the existing
# server { server_name navi.echo6.co; ... }
# block, placed BEFORE the existing `location /api/ { ... }` block.
#
# nginx selects the longest matching prefix, so `/api/traffic/` wins over
# `/api/` regardless of order — placing it first keeps the file readable and
# makes the precedence obvious to a human.
# -----------------------------------------------------------------------------
location /api/traffic/ {
proxy_pass http://127.0.0.1:8421;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_read_timeout 10s;
# Cache successful tiles for 120s (matches the handler's Cache-Control).
proxy_cache traffic_cache;
proxy_cache_valid 200 120s;
proxy_cache_use_stale error timeout updating;
add_header X-Cache-Status $upstream_cache_status;
}

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backend/deploy/systemd/navi-traffic.service Normal file
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[Unit]
Description=navi-traffic — TomTom traffic tile proxy (Echo6 navi-backend, extraction #1)
After=network-online.target
Wants=network-online.target
[Service]
User=zvx
WorkingDirectory=/home/zvx/projects/repos/navi-backend
EnvironmentFile=/etc/navi-backend/navi-traffic.env
ExecStart=/home/zvx/projects/repos/navi-backend/.venv/bin/gunicorn 'services.navi_traffic.app:create_app()' --bind 127.0.0.1:8421 --workers 2
Restart=on-failure
RestartSec=2
[Install]
WantedBy=multi-user.target