Update Dockerfile for correct directory structure

Dockerfile

@@ -7,8 +7,8 @@ WORKDIR /app/web
 # Copy package files first
 COPY web/package.json web/yarn.lock ./
 
-# Install dependencies using yarn (more reliable than npm for this project)
-RUN yarn install --frozen-lockfile --production=true
+# Install ALL dependencies (including dev dependencies) needed for build
+RUN yarn install --frozen-lockfile
 
 # Copy web source files
 COPY web/ .
@@ -38,12 +38,13 @@ COPY api/ /app/api/
 WORKDIR /app/api
 RUN pip install --no-cache-dir poetry && \
     poetry config virtualenvs.create false && \
-    poetry install --no-dev --no-interaction --no-ansi
+    poetry install --only main --no-interaction --no-ansi
 
 # Copy built web files from builder stage
 COPY --from=web-builder /app/web/.next /app/web/.next
 COPY --from=web-builder /app/web/public /app/web/public
 COPY --from=web-builder /app/web/node_modules /app/web/node_modules
+COPY --from=web-builder /app/web/package.json /app/web/package.json
 
 # Set environment variables
 ENV FLASK_APP=app.py \