diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index c2becda..5ec61e7 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -151,7 +151,7 @@ jobs:
         uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
           push: true
           tags: ${{ steps.meta-release.outputs.tags }}
           labels: ${{ steps.meta-release.outputs.labels }}
@@ -167,7 +167,7 @@ jobs:
         uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
           push: true
           tags: ${{ steps.meta-nightly.outputs.tags }}
           labels: ${{ steps.meta-nightly.outputs.labels }}
@@ -183,7 +183,7 @@ jobs:
         uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
         with:
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
           push: ${{ inputs.push }}
           tags: ${{ steps.meta-manual.outputs.tags }}
           labels: ${{ steps.meta-manual.outputs.labels }}
diff --git a/AGENTS.md b/AGENTS.md
index 479967e..b403a5a 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -359,7 +359,7 @@ Jobs configured in `docker/ofelia.ini`:
 
 ### GitHub Actions Workflow
 
-`.github/workflows/docker-publish.yml` builds and publishes Docker images:
+`.github/workflows/docker-publish.yml` builds and publishes Docker images for `linux/amd64`, `linux/arm64`, and `linux/arm/v7`:
 
 | Trigger | Tags Created |
 |---------|--------------|
diff --git a/Dockerfile b/Dockerfile
index fd52970..3837853 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,49 @@
 # =============================================================================
-# Stage 0: uv binary
+# Stage 0: Ofelia binary
 # =============================================================================
-FROM ghcr.io/astral-sh/uv:0.9.24@sha256:816fdce3387ed2142e37d2e56e1b1b97ccc1ea87731ba199dc8a25c04e4997c5 AS uv
+FROM golang:1.23-bookworm@sha256:167053a2bb901972bf2c1611f8f52c44d5fe7e762e5cab213708d82c421614db AS ofelia-builder
+
+# Ofelia version (built from source for multi-arch support)
+ARG OFELIA_VERSION=0.3.12
+ARG TARGETARCH
+ARG TARGETVARIANT
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /src/ofelia
+RUN git clone --depth 1 --branch "v${OFELIA_VERSION}" https://github.com/mcuadros/ofelia.git /src/ofelia
+
+RUN set -ex; \
+    if [ "$TARGETARCH" = "amd64" ]; then \
+        GOARCH="amd64"; \
+    elif [ "$TARGETARCH" = "arm64" ]; then \
+        GOARCH="arm64"; \
+    elif [ "$TARGETARCH" = "arm" ] && [ "$TARGETVARIANT" = "v7" ]; then \
+        GOARCH="arm"; \
+        GOARM="7"; \
+    else \
+        echo "Unsupported architecture: $TARGETARCH${TARGETVARIANT:+/$TARGETVARIANT}" && exit 1; \
+    fi; \
+    if [ -n "${GOARM:-}" ]; then \
+        export GOARM; \
+    fi; \
+    CGO_ENABLED=0 GOOS=linux GOARCH="$GOARCH" go build -o /usr/local/bin/ofelia .
 
 # =============================================================================
 # Stage 1: Build dependencies
 # =============================================================================
-FROM python:3.14-slim-bookworm@sha256:e8a1ad81a9fef9dc56372fb49b50818cac71f5fae238b21d7738d73ccae8f803 AS builder
+FROM python:3.14-slim-bookworm@sha256:3be2c910db2dacfb3e576f94c7ffc07c10b115cbcd3de99d49bfb0b4ccfd75e7 AS builder
 
-# Ofelia version and checksums (verified from GitHub releases)
-ARG OFELIA_VERSION=0.3.12
+# uv version and checksums (verified from GitHub releases)
+ARG UV_VERSION=0.9.24
+ARG UV_SHA256_AMD64=fb13ad85106da6b21dd16613afca910994446fe94a78ee0b5bed9c75cd066078
+ARG UV_SHA256_ARM64=9b291a1a4f2fefc430e4fc49c00cb93eb448d41c5c79edf45211ceffedde3334
+ARG UV_SHA256_ARMV7=8d05b55fe2108ecab3995c2b656679a72c543fd9dc72eeb3a525106a709cfdcb
 ARG TARGETARCH
-ARG OFELIA_SHA256_AMD64=cf06d2199abafbd3aa5afe0f8266e478818faacd11555b99200707321035c931
-ARG OFELIA_SHA256_ARM64=57760ef7f17a2cd55b5b1e1946f79b91b24bde40d47e81a0d75fd1470d883c1a
+ARG TARGETVARIANT
 
 # Install build dependencies for Python packages
 RUN apt-get update && apt-get install -y --no-install-recommends \
@@ -22,29 +53,32 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     curl \
     && rm -rf /var/lib/apt/lists/*
 
-# Download and verify Ofelia binary in builder stage (keeps curl out of runtime)
+# Download and verify uv binary in builder stage
 RUN set -ex; \
     if [ "$TARGETARCH" = "amd64" ]; then \
-        OFELIA_SHA256="$OFELIA_SHA256_AMD64"; \
+        UV_ARCH="x86_64"; \
+        UV_SHA256="$UV_SHA256_AMD64"; \
     elif [ "$TARGETARCH" = "arm64" ]; then \
-        OFELIA_SHA256="$OFELIA_SHA256_ARM64"; \
+        UV_ARCH="aarch64"; \
+        UV_SHA256="$UV_SHA256_ARM64"; \
+    elif [ "$TARGETARCH" = "arm" ] && [ "$TARGETVARIANT" = "v7" ]; then \
+        UV_ARCH="armv7"; \
+        UV_SHA256="$UV_SHA256_ARMV7"; \
     else \
-        echo "Unsupported architecture: $TARGETARCH" && exit 1; \
+        echo "Unsupported architecture: $TARGETARCH${TARGETVARIANT:+/$TARGETVARIANT}" && exit 1; \
     fi; \
-    curl -fsSL "https://github.com/mcuadros/ofelia/releases/download/v${OFELIA_VERSION}/ofelia_${OFELIA_VERSION}_linux_${TARGETARCH}.tar.gz" -o /tmp/ofelia.tar.gz \
-    && echo "${OFELIA_SHA256}  /tmp/ofelia.tar.gz" | sha256sum -c - \
-    && tar -xzf /tmp/ofelia.tar.gz -C /usr/local/bin ofelia \
-    && rm /tmp/ofelia.tar.gz \
-    && chmod +x /usr/local/bin/ofelia
+    curl -fsSL "https://github.com/astral-sh/uv/releases/download/${UV_VERSION}/uv-${UV_ARCH}-unknown-linux-gnu.tar.gz" \
+    -o /tmp/uv.tar.gz \
+    && echo "${UV_SHA256}  /tmp/uv.tar.gz" | sha256sum -c - \
+    && tar -xzf /tmp/uv.tar.gz -C /usr/local/bin --strip-components=1 --wildcards "*/uv" \
+    && rm /tmp/uv.tar.gz \
+    && chmod +x /usr/local/bin/uv
 
 # Create virtual environment
 RUN python -m venv /opt/venv
 ENV PATH="/opt/venv/bin:$PATH" \
     UV_PROJECT_ENVIRONMENT=/opt/venv
 
-# Copy uv binary from pinned image
-COPY --from=uv /uv /usr/local/bin/uv
-
 # Install Python dependencies
 COPY pyproject.toml uv.lock ./
 RUN pip install --no-cache-dir --upgrade pip && \
@@ -53,7 +87,7 @@ RUN pip install --no-cache-dir --upgrade pip && \
 # =============================================================================
 # Stage 2: Runtime
 # =============================================================================
-FROM python:3.14-slim-bookworm@sha256:e8a1ad81a9fef9dc56372fb49b50818cac71f5fae238b21d7738d73ccae8f803
+FROM python:3.14-slim-bookworm@sha256:3be2c910db2dacfb3e576f94c7ffc07c10b115cbcd3de99d49bfb0b4ccfd75e7
 
 # OCI Labels
 LABEL org.opencontainers.image.source="https://github.com/jorijn/meshcore-stats"
@@ -83,7 +117,7 @@ RUN groupadd -g 1000 meshmon \
     && chown -R meshmon:meshmon /data /out /tmp/matplotlib
 
 # Copy Ofelia binary from builder (keeps curl out of runtime image)
-COPY --from=builder /usr/local/bin/ofelia /usr/local/bin/ofelia
+COPY --from=ofelia-builder /usr/local/bin/ofelia /usr/local/bin/ofelia
 
 # Copy virtual environment from builder
 COPY --from=builder /opt/venv /opt/venv
diff --git a/README.md b/README.md
index f8e78c9..49b7432 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ docker compose logs meshcore-stats | head -20
 - Remote repeater node reachable via LoRa from the companion
 
 **Resource requirements:** ~100MB memory, ~100MB disk per year of data.
+**Container architectures:** `linux/amd64`, `linux/arm64`, and `linux/arm/v7` (32-bit).
 
 ## Installation