nginx/Dockerfile.prod

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+FROM node:22.23.4-alpine AS frontend-builder
+
+WORKDIR /frontend
+
+COPY frontend/package*.json .
+COPY frontend/patches ./patches
+
+RUN npm ci
+
+COPY frontend/ .
+
+ARG VITE_API_BASE_URL
+ARG VITE_CLEARNET_SCHEME
+ARG VITE_CLEARNET_DOMAIN
+ARG VITE_ONION_HOSTNAME
+ARG VITE_ALTCHA_ENABLED
+ARG VITE_ALTCHA_MAX_NUMBER
+ARG VITE_UPLOAD_MAX_QUEUE_SIZE
+ARG VITE_VALIDATION_UPLOAD_MAX_VIEWS_MAX
+ARG VITE_VALIDATION_UPLOAD_MAX_IMAGE_BYTES
+
+ENV VITE_API_BASE_URL=$VITE_API_BASE_URL \
+    VITE_CLEARNET_SCHEME=$VITE_CLEARNET_SCHEME \
+    VITE_CLEARNET_DOMAIN=$VITE_CLEARNET_DOMAIN \
+    VITE_ONION_HOSTNAME=$VITE_ONION_HOSTNAME \
+    VITE_ALTCHA_ENABLED=$VITE_ALTCHA_ENABLED \
+    VITE_ALTCHA_MAX_NUMBER=$VITE_ALTCHA_MAX_NUMBER \
+    VITE_UPLOAD_MAX_QUEUE_SIZE=$VITE_UPLOAD_MAX_QUEUE_SIZE \
+    VITE_VALIDATION_UPLOAD_MAX_VIEWS_MAX=$VITE_VALIDATION_UPLOAD_MAX_VIEWS_MAX \
+    VITE_VALIDATION_UPLOAD_MAX_IMAGE_BYTES=$VITE_VALIDATION_UPLOAD_MAX_IMAGE_BYTES
+
+RUN npm run build
+
+FROM nginx:1.29.4-alpine
+
+RUN apk add --no-cache gettext
+
+COPY --from=frontend-builder /frontend/dist /usr/share/nginx/html
+
+COPY nginx/conf.d/ /etc/nginx/templates/conf.d/
+COPY nginx/snippets/private-image-locations.conf.template /etc/nginx/templates/snippets/
+COPY nginx/docker-entrypoint.sh /docker-entrypoint.sh
+
+RUN chmod +x /docker-entrypoint.sh
+
+ENTRYPOINT ["/docker-entrypoint.sh"]

nginx/conf.d/clearnet.conf.template

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+server {
+    listen 80;
+    server_name ${CLEARNET_DOMAIN} www.${CLEARNET_DOMAIN};
+
+    access_log off;
+
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+server {
+    listen 443 ssl;
+    server_name ${CLEARNET_DOMAIN} www.${CLEARNET_DOMAIN};
+
+    access_log off;
+
+    ssl_certificate /etc/nginx/certs/live/${CLEARNET_DOMAIN}/fullchain.pem;
+    ssl_certificate_key /etc/nginx/certs/live/${CLEARNET_DOMAIN}/privkey.pem;
+
+    ${ONION_LOCATION_HEADER}
+
+    include /etc/nginx/snippets/private-image-locations.conf;
+}

nginx/conf.d/onion.conf.template

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+server {
+    listen 8080;
+    server_name _;
+
+    access_log off;
+
+    include /etc/nginx/snippets/private-image-locations.conf;
+}

nginx/docker-entrypoint.sh

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+#!/bin/sh
+set -eu
+
+max_image_bytes="${VALIDATION_UPLOAD_MAX_IMAGE_BYTES:?}"
+json_padding="${VALIDATION_UPLOAD_JSON_BODY_PADDING_BYTES:?}"
+
+UPLOAD_MAX_REQUEST_BODY_BYTES=$(( (max_image_bytes * 4 + 2) / 3 + json_padding ))
+
+export UPLOAD_MAX_REQUEST_BODY_BYTES BACKEND_PORT
+
+render_locations() {
+    envsubst '${BACKEND_PORT} ${UPLOAD_MAX_REQUEST_BODY_BYTES}' \
+        < /etc/nginx/templates/snippets/private-image-locations.conf.template \
+        > /etc/nginx/snippets/private-image-locations.conf
+}
+
+render_server() {
+    template_path="$1"
+    output_path="$2"
+    surface="$3"
+
+    if [ "$surface" = "clearnet" ]; then
+        if [ -n "${ONION_HOSTNAME:-}" ]; then
+            export ONION_LOCATION_HEADER="add_header Onion-Location \"http://${ONION_HOSTNAME}\$request_uri\";"
+        else
+            export ONION_LOCATION_HEADER=""
+        fi
+
+        export CLEARNET_DOMAIN
+        
+        envsubst '${CLEARNET_DOMAIN} ${ONION_LOCATION_HEADER}' \
+            < "$template_path" \
+            > "$output_path"
+
+        return
+    fi
+
+    cp "$template_path" "$output_path"
+}
+
+mkdir -p /etc/nginx/snippets
+
+render_locations
+render_server /etc/nginx/templates/conf.d/clearnet.conf.template /etc/nginx/conf.d/clearnet.conf clearnet
+render_server /etc/nginx/templates/conf.d/onion.conf.template /etc/nginx/conf.d/onion.conf onion
+
+exec nginx -g 'daemon off;'

nginx/snippets/private-image-locations.conf.template

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+location ^~ /i/ {
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header Cross-Origin-Resource-Policy "cross-origin" always;
+    add_header Cache-Control "private, no-store" always;
+
+    proxy_set_header Host $host;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+
+    proxy_pass http://backend:${BACKEND_PORT};
+}
+
+location /api {
+    client_max_body_size ${UPLOAD_MAX_REQUEST_BODY_BYTES};
+
+    add_header Cache-Control "no-store" always;
+    
+    proxy_set_header Host $host;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+
+    proxy_read_timeout 600s;
+    proxy_send_timeout 600s;
+    
+    proxy_pass http://backend:${BACKEND_PORT};
+}
+
+location /pgadmin {
+    proxy_set_header X-Script-Name /pgadmin;
+    proxy_set_header Host $host;
+    proxy_set_header X-Scheme $scheme;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+    proxy_pass_header Set-Cookie;
+
+    proxy_pass http://pgadmin;
+
+    proxy_redirect off;
+}
+
+location / {
+    add_header Referrer-Policy "no-referrer" always;
+    add_header Cache-Control "no-store" always;
+
+    root /usr/share/nginx/html;
+
+    try_files $uri $uri/ /index.html;
+}