Add docker image build scripts

Dockerfile

@@ -0,0 +1,71 @@
+# Build stage
+FROM docker.io/library/golang:1.24-alpine AS build-env
+
+# Install build dependencies
+RUN apk --no-cache add \
+    build-base \
+    && rm -rf /var/cache/apk/*
+
+# Set up the working directory
+WORKDIR /app
+
+# Copy go mod files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 go build -tags sqlite_allow_null_time -o transcriber .
+
+# ----------------
+# Production stage
+# ----------------
+
+FROM docker.io/library/alpine:latest
+
+LABEL maintainer="anton@vakhrushev.me"
+
+# Install runtime dependencies
+RUN apk --no-cache add \
+    ca-certificates \
+    ffmpeg \
+    && rm -rf /var/cache/apk/*
+
+# Create user and group
+RUN addgroup -S -g 1000 transcriber && \
+    adduser -S -H -D \
+    -h /data/transcriber \
+    -s /bin/sh \
+    -u 1000 \
+    -G transcriber \
+    transcriber
+
+# Set environment variables
+ENV USER=transcriber
+
+# Create necessary directories
+RUN mkdir -p /data && chown -R transcriber:transcriber /data
+RUN mkdir -p /config && chown -R transcriber:transcriber /config
+
+# Set working directory
+WORKDIR /app
+
+# Copy the binary from build stage
+COPY --from=build-env /app/transcriber .
+
+# Copy entrypoint script
+COPY docker/entrypoint.sh /usr/bin/entrypoint
+RUN chmod 755 /usr/bin/entrypoint
+
+# Set user
+USER transcriber
+
+EXPOSE 8080
+
+# Set entrypoint and default command
+ENTRYPOINT ["/usr/bin/entrypoint"]
+CMD ["./transcriber"]