build up the URI on startup

docker/standalone/Dockerfile

@@ -21,8 +21,9 @@ WORKDIR /app/api
 # Sync dependencies (will create lock file if needed)
 RUN uv sync
 
-# Copy source code
+# Copy source code and alembic migrations
 COPY hindsight-api/hindsight_api ./hindsight_api
+COPY hindsight-api/alembic ./alembic
 
 # Build TypeScript SDK
 FROM node:20-alpine AS sdk-builder
@@ -70,6 +71,7 @@ RUN apt-get update && apt-get install -y \
     libxml2 \
     libssl3 \
     libgssapi-krb5-2 \
+    libossp-uuid16 \
     && apt-get install -y libicu72 || apt-get install -y libicu74 || apt-get install -y libicu* \
     && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
     && apt-get install -y nodejs \
@@ -97,6 +99,10 @@ COPY --from=cp-builder /app/.next ./.next
 COPY --from=cp-builder /app/public ./public
 COPY --from=cp-builder /app/next.config.ts ./next.config.ts
 
+# For standalone mode, static files must be in .next/standalone/.next/static
+RUN cp -r .next/static .next/standalone/.next/static
+RUN cp -r public .next/standalone/public
+
 WORKDIR /app
 
 # Copy startup script
@@ -109,24 +115,20 @@ RUN mkdir -p /app/data && chown -R hindsight:hindsight /app
 # Switch to non-root user
 USER hindsight
 
-# Install pg0
-RUN curl -fsSL https://raw.githubusercontent.com/vectorize-io/pg0/main/install.sh | bash
-
-# Start pg0 once to verify it works and pre-download PostgreSQL libraries
-RUN pg0 --help && \
-    pg0 start --wait && \
-    pg0 stop
-
-# Expose ports
-EXPOSE 8888 3000
-
-# Environment variables
+# Environment variables (set PATH early so pg0 is accessible after install)
+ENV PATH="/home/hindsight/.local/bin:/app/api/.venv/bin:${PATH}"
 ENV HINDSIGHT_API_HOST=0.0.0.0
 ENV HINDSIGHT_API_PORT=8888
 ENV HINDSIGHT_API_LOG_LEVEL=info
 ENV NODE_ENV=production
 ENV HINDSIGHT_CP_DATAPLANE_API_URL=http://localhost:8888
-ENV PATH="/home/hindsight/.local/bin:/app/api/.venv/bin:${PATH}"
+
+# Install pg0 CLI (the API will handle starting PostgreSQL at runtime)
+RUN curl -fsSL https://raw.githubusercontent.com/vectorize-io/pg0/main/install.sh | bash && \
+    pg0 --help
+
+# Expose ports
+EXPOSE 8888 3000
 
 # Run startup script
 CMD ["/app/start-all.sh"]

hindsight-api/hindsight_api/pg0.py

@@ -133,6 +133,12 @@ class EmbeddedPostgres:
 
         self._process: Optional[subprocess.Popen] = None
 
+    def _construct_uri(self) -> str:
+        """Construct PostgreSQL connection URI from instance settings."""
+        from urllib.parse import quote_plus
+        password_encoded = quote_plus(self.password)
+        return f"postgresql://{self.username}:{password_encoded}@localhost:{self.port}/{self.database}"
+
     def is_installed(self) -> bool:
         """Check if the embedded-postgres CLI is installed."""
         return self.binary_path.exists() and os.access(self.binary_path, os.X_OK)
@@ -190,8 +196,8 @@ class EmbeddedPostgres:
             text=True,
         )
 
-    async def _run_command_async(self, *args: str) -> tuple[int, str, str]:
-        """Run an embedded-postgres command asynchronously."""
+    async def _run_command_async(self, *args: str, timeout: float = 60.0) -> tuple[int, str, str]:
+        """Run an embedded-postgres command asynchronously with timeout."""
         cmd = [str(self.binary_path), *args]
 
         process = await asyncio.create_subprocess_exec(
@@ -200,8 +206,20 @@ class EmbeddedPostgres:
             stderr=asyncio.subprocess.PIPE,
         )
 
-        stdout, stderr = await process.communicate()
-        return process.returncode, stdout.decode(), stderr.decode()
+        try:
+            stdout, stderr = await asyncio.wait_for(process.communicate(), timeout=timeout)
+            return process.returncode or 0, stdout.decode(), stderr.decode()
+        except asyncio.TimeoutError:
+            # If timeout, pg0 may have started PostgreSQL but is hanging on communicate()
+            # This happens because PostgreSQL inherits the file descriptors
+            try:
+                process.kill()
+                await process.wait()
+            except ProcessLookupError:
+                # Process already exited, which is fine
+                pass
+            logger.warning(f"pg0 command timed out after {timeout}s, continuing...")
+            return 0, "", ""
 
     async def start(self) -> str:
         """
@@ -236,8 +254,32 @@ class EmbeddedPostgres:
 
         logger.info("Embedded PostgreSQL started")
 
-        # Get and return the URI
-        return await self.get_uri()
+        # Wait for PostgreSQL to be ready to accept connections
+        uri = self._construct_uri()
+        await self._wait_for_postgres(uri)
+
+        return uri
+
+    async def _wait_for_postgres(self, uri: str, timeout: float = 60.0) -> None:
+        """Wait for PostgreSQL to be ready to accept connections."""
+        import asyncpg
+        start_time = asyncio.get_event_loop().time()
+        last_error = None
+
+        while (asyncio.get_event_loop().time() - start_time) < timeout:
+            try:
+                conn = await asyncio.wait_for(
+                    asyncpg.connect(uri),
+                    timeout=5.0
+                )
+                await conn.close()
+                logger.info("PostgreSQL is ready to accept connections")
+                return
+            except Exception as e:
+                last_error = e
+                await asyncio.sleep(1.0)
+
+        raise RuntimeError(f"PostgreSQL failed to become ready within {timeout}s: {last_error}")
 
     async def stop(self) -> None:
         """
@@ -350,7 +392,7 @@ class EmbeddedPostgres:
         await self.ensure_installed()
 
         if await self.is_running():
-            return await self.get_uri()
+            return self._construct_uri()
 
         return await self.start()