Fix GeoMap dashboard v3 - temperature_celsius + Geomap layer config

Fixes:
- Temperature field: temperature_c (wrong) -> temperature_celsius (correct)
- Geomap panel: added explicit location config with lat/lon field mapping
- Added PM2.5 timeseries panel
- Dashboard UID: geomap-test-v1

bemserver/Dockerfile

@@ -0,0 +1,52 @@
+# BEMServer - Building Energy Management Server
+# Multi-component Dockerfile: core + api + ui + celery
+# Based on Python 3.11 slim with TimescaleDB support
+
+FROM python:3.11-slim AS base
+
+# System dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    libpq-dev \
+    libffi-dev \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /opt/bemserver
+
+# ---- Stage 1: Install bemserver-core ----
+FROM base AS core
+COPY bemserver/bemserver-core /tmp/bemserver-core
+RUN pip install --no-cache-dir /tmp/bemserver-core
+
+# ---- Stage 2: Install bemserver-api ----
+FROM core AS api
+COPY bemserver/bemserver-api /tmp/bemserver-api
+RUN pip install --no-cache-dir /tmp/bemserver-api
+
+# ---- Stage 3: Install bemserver-ui ----
+FROM api AS ui
+COPY bemserver/bemserver-ui /tmp/bemserver-ui
+RUN pip install --no-cache-dir /tmp/bemserver-ui
+
+# ---- Final stage ----
+FROM ui AS final
+
+# Create non-root user
+RUN groupadd -r bemserver && useradd -r -g bemserver -d /opt/bemserver -s /sbin/nologin bemserver
+
+# Create config directory
+RUN mkdir -p /opt/bemserver/config /opt/bemserver/data \
+    && chown -R bemserver:bemserver /opt/bemserver
+
+# Copy entrypoint script
+COPY bemserver/entrypoint.sh /opt/bemserver/entrypoint.sh
+RUN chmod +x /opt/bemserver/entrypoint.sh
+
+# Healthcheck
+HEALTHCHECK --interval=30s --timeout=10s --retries=5 --start_period=60s \
+    CMD curl -f http://localhost:5000/healthz || exit 1
+
+USER bemserver
+
+ENTRYPOINT ["/opt/bemserver/entrypoint.sh"]