Fix 'source: not found' error by using '.' in Dockerfile and start.sh

Dockerfile

@@ -35,7 +35,8 @@ RUN wget --quiet https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86
 # --- NEW: Accept Conda Terms of Service for default channels ---
 # This is required for non-interactive environments like Docker builds.
 # We source conda.sh first to make the 'conda' command available in this RUN layer.
-RUN source $CONDA_DIR/etc/profile.d/conda.sh && \
+# We use '. ' (dot space) instead of 'source' as /bin/sh is the default shell.
+RUN . $CONDA_DIR/etc/profile.d/conda.sh && \
     conda tos accept --override-channels --channel https://repo.anaconda.com/pkgs/main && \
     conda tos accept --override-channels --channel https://repo.anaconda.com/pkgs/r
 # --- END NEW ---

start.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -eux # Keep this for debugging and seeing command execution
+set -eux
 
 export CUDA_VISIBLE_DEVICES="0"
 export CUDA_HOME="/usr/local/cuda"
@@ -7,16 +7,16 @@ export CUDA_HOME="/usr/local/cuda"
 echo "Activating Conda environment and starting server..."
 
 # Activate the specific conda environment
-# This now works because Conda is properly installed and in PATH by the Dockerfile
-source $CONDA_DIR/etc/profile.d/conda.sh # Source the conda.sh for the shell
+# Use '. ' (dot space) instead of 'source'
+. $CONDA_DIR/etc/profile.d/conda.sh # Source the conda.sh for the shell
 conda activate cosmos-predict1 # Activate the environment
 
 # Set PYTHONPATH after conda activation for your specific project modules
-export PYTHONPATH="/app:/app/gui/api" 
+export PYTHONPATH="/app:/app/gui/api"
 
 echo "Starting GEN3C FastAPI inference server..."
 
-export GEN3C_CKPT_PATH="/app/checkpoints" # Assuming /app/checkpoints is still correct
+export GEN3C_CKPT_PATH="/app/checkpoints"
 export GEN3C_GPU_COUNT=1
 
 # Start the FastAPI server