feat: create cameleer-traefik image with cert generation and config baked in

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docker/cameleer-traefik/Dockerfile

@@ -0,0 +1,7 @@
+FROM traefik:v3
+RUN apk add --no-cache openssl
+COPY traefik.yml /etc/traefik/traefik.yml
+COPY traefik-dynamic.yml /etc/traefik/dynamic.yml
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]

docker/cameleer-traefik/entrypoint.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+set -e
+
+CERTS_DIR="/certs"
+
+# Skip if certs already exist (idempotent)
+if [ ! -f "$CERTS_DIR/cert.pem" ]; then
+  mkdir -p "$CERTS_DIR"
+
+  if [ -n "$CERT_FILE" ] && [ -n "$KEY_FILE" ]; then
+    # User-supplied certificate
+    echo "[certs] Installing user-supplied certificate..."
+    cp "$CERT_FILE" "$CERTS_DIR/cert.pem"
+    cp "$KEY_FILE" "$CERTS_DIR/key.pem"
+    if [ -n "$CA_FILE" ]; then
+      cp "$CA_FILE" "$CERTS_DIR/ca.pem"
+    fi
+    # Validate key matches cert
+    CERT_MOD=$(openssl x509 -noout -modulus -in "$CERTS_DIR/cert.pem" 2>/dev/null | md5sum)
+    KEY_MOD=$(openssl rsa -noout -modulus -in "$CERTS_DIR/key.pem" 2>/dev/null | md5sum)
+    if [ "$CERT_MOD" != "$KEY_MOD" ]; then
+      echo "[certs] ERROR: Certificate and key do not match!"
+      rm -f "$CERTS_DIR/cert.pem" "$CERTS_DIR/key.pem" "$CERTS_DIR/ca.pem"
+      exit 1
+    fi
+    SELF_SIGNED=false
+    echo "[certs] Installed user-supplied certificate."
+  else
+    # Generate self-signed certificate
+    HOST="${PUBLIC_HOST:-localhost}"
+    echo "[certs] Generating self-signed certificate for $HOST..."
+    openssl req -x509 -newkey rsa:4096 \
+      -keyout "$CERTS_DIR/key.pem" -out "$CERTS_DIR/cert.pem" \
+      -days 365 -nodes \
+      -subj "/CN=$HOST" \
+      -addext "subjectAltName=DNS:$HOST,DNS:*.$HOST"
+    SELF_SIGNED=true
+    echo "[certs] Generated self-signed certificate for $HOST."
+  fi
+
+  # Write metadata for SaaS app to seed DB
+  SUBJECT=$(openssl x509 -noout -subject -in "$CERTS_DIR/cert.pem" 2>/dev/null | sed 's/subject=//')
+  FINGERPRINT=$(openssl x509 -noout -fingerprint -sha256 -in "$CERTS_DIR/cert.pem" 2>/dev/null | sed 's/.*=//')
+  NOT_BEFORE=$(openssl x509 -noout -startdate -in "$CERTS_DIR/cert.pem" 2>/dev/null | sed 's/notBefore=//')
+  NOT_AFTER=$(openssl x509 -noout -enddate -in "$CERTS_DIR/cert.pem" 2>/dev/null | sed 's/notAfter=//')
+  HAS_CA=false
+  [ -f "$CERTS_DIR/ca.pem" ] && HAS_CA=true
+  cat > "$CERTS_DIR/meta.json" <<METAEOF
+{"subject":"$SUBJECT","fingerprint":"$FINGERPRINT","selfSigned":$SELF_SIGNED,"hasCa":$HAS_CA,"notBefore":"$NOT_BEFORE","notAfter":"$NOT_AFTER"}
+METAEOF
+
+  mkdir -p "$CERTS_DIR/staged" "$CERTS_DIR/prev"
+  chmod 775 "$CERTS_DIR" "$CERTS_DIR/staged" "$CERTS_DIR/prev"
+  chmod 660 "$CERTS_DIR"/*.pem 2>/dev/null || true
+else
+  echo "[certs] Certificates already exist, skipping generation."
+fi
+
+# Start Traefik
+exec traefik "$@"

docker/cameleer-traefik/traefik-dynamic.yml

@@ -0,0 +1,24 @@
+http:
+  routers:
+    root-redirect:
+      rule: "Path(`/`)"
+      priority: 100
+      entryPoints:
+        - websecure
+      tls: {}
+      middlewares:
+        - root-to-platform
+      service: saas@docker
+  middlewares:
+    root-to-platform:
+      redirectRegex:
+        regex: "^(https?://[^/]+)/?$"
+        replacement: "${1}/platform/"
+        permanent: false
+
+tls:
+  stores:
+    default:
+      defaultCertificate:
+        certFile: /etc/traefik/certs/cert.pem
+        keyFile: /etc/traefik/certs/key.pem

docker/cameleer-traefik/traefik.yml

@@ -0,0 +1,23 @@
+api:
+  dashboard: false
+
+entryPoints:
+  web:
+    address: ":80"
+    http:
+      redirections:
+        entryPoint:
+          to: websecure
+          scheme: https
+  websecure:
+    address: ":443"
+  admin-console:
+    address: ":3002"
+
+providers:
+  docker:
+    endpoint: "unix:///var/run/docker.sock"
+    exposedByDefault: false
+    network: cameleer
+  file:
+    filename: /etc/traefik/dynamic.yml